gin/CHANGELOG.md

## Gin v1.6.0 (Mar 22, 2020)

### BREAKING
  * chore(performance): Improve performance for adding RemoveExtraSlash flag (#2159)
  * drop support govendor (#2148)
  * Added support for SameSite cookie flag (#1615)
### FEATURES
  * add yaml negotitation (#2220)
  * FileFromFS (#2112)
### BUGFIXES
  * Unix Socket Handling (#2280)
  * Use json marshall in context json to fix breaking new line issue. Fixes #2209 (#2228)
  * fix accept incoming network connections (#2216)
  * Fixed a bug in the calculation of the maximum number of parameters (#2166)
  * [FIX] allow empty headers on DataFromReader (#2121)
  * Add mutex for protect Context.Keys map (#1391)
### ENHANCEMENTS
  * Add mitigation for log injection (#2277)
  * tree: range over nodes values (#2229)
  * tree: remove duplicate assignment (#2222)
  * chore: upgrade go-isatty and json-iterator/go (#2215)
  * path: sync code with httprouter (#2212)
  * Use zero-copy approach to convert types between string and byte slice (#2206)
  * Reuse bytes when cleaning the URL paths (#2179)
  * tree: remove one else statement (#2177)
  * tree: sync httprouter update (#2173) (#2172) (#2171)
  * tree: sync part httprouter codes and reduce if/else (#2163)
  * use http method constant (#2155)
  * upgrade go-validator to v10 (#2149)
  * Refactor redirect request in gin.go (#1970)
  * Add build tag nomsgpack (#1852)
### DOCS
  * docs(path): improve comments (#2223)
  * Renew README to fit the modification of SetCookie method (#2217)
  * Fix spelling (#2202)
  * Remove broken link from README. (#2198)
  * Update docs on Context.Done(), Context.Deadline() and Context.Err() (#2196)
  * Update validator to v10 (#2190)
  * upgrade go-validator to v10 for README (#2189)
  * Update to currently output (#2188)
  * Fix "Custom Validators" example (#2186)
  * Add project to README (#2165)
  * docs(benchmarks): for gin v1.5 (#2153)
  * Changed wording for clarity in README.md (#2122)
### MISC
  * ci support go1.14 (#2262)
  * chore: upgrade depend version (#2231)
  * Drop support go1.10 (#2147)
  * fix comment in `mode.go` (#2129)

## Gin v1.5.0

- [FIX] Use DefaultWriter and DefaultErrorWriter for debug messages [#1891](https://github.com/gin-gonic/gin/pull/1891)
- [NEW] Now you can parse the inline lowercase start structure [#1893](https://github.com/gin-gonic/gin/pull/1893)
- [FIX] Some code improvements [#1909](https://github.com/gin-gonic/gin/pull/1909)
- [FIX] Use encode replace json marshal increase json encoder speed [#1546](https://github.com/gin-gonic/gin/pull/1546)
- [NEW] Hold matched route full path in the Context [#1826](https://github.com/gin-gonic/gin/pull/1826)
- [FIX] Fix context.Params race condition on Copy() [#1841](https://github.com/gin-gonic/gin/pull/1841)
- [NEW] Add context param query cache [#1450](https://github.com/gin-gonic/gin/pull/1450)
- [FIX] Improve GetQueryMap performance [#1918](https://github.com/gin-gonic/gin/pull/1918)
- [FIX] Improve get post data [#1920](https://github.com/gin-gonic/gin/pull/1920)
- [FIX] Use context instead of x/net/context [#1922](https://github.com/gin-gonic/gin/pull/1922)
- [FIX] Attempt to fix PostForm cache bug [#1931](https://github.com/gin-gonic/gin/pull/1931)
- [NEW] Add support of multipart multi files [#1949](https://github.com/gin-gonic/gin/pull/1949)
- [NEW] Support bind http header param [#1957](https://github.com/gin-gonic/gin/pull/1957)
- [FIX] Drop support for go1.8 and go1.9 [#1933](https://github.com/gin-gonic/gin/pull/1933)
- [FIX] Bugfix for the FullPath feature [#1919](https://github.com/gin-gonic/gin/pull/1919)
- [FIX] Gin1.5 bytes.Buffer to strings.Builder [#1939](https://github.com/gin-gonic/gin/pull/1939)
- [FIX] Upgrade github.com/ugorji/go/codec [#1969](https://github.com/gin-gonic/gin/pull/1969)
- [NEW] Support bind unix time [#1980](https://github.com/gin-gonic/gin/pull/1980)
- [FIX] Simplify code [#2004](https://github.com/gin-gonic/gin/pull/2004)
- [NEW] Support negative Content-Length in DataFromReader [#1981](https://github.com/gin-gonic/gin/pull/1981)
- [FIX] Identify terminal on a RISC-V architecture for auto-colored logs [#2019](https://github.com/gin-gonic/gin/pull/2019)
- [BREAKING] `Context.JSONP()` now expects a semicolon (`;`) at the end [#2007](https://github.com/gin-gonic/gin/pull/2007)
- [BREAKING] Upgrade default `binding.Validator` to v9 (see [its changelog](https://github.com/go-playground/validator/releases/tag/v9.0.0)) [#1015](https://github.com/gin-gonic/gin/pull/1015)
- [NEW] Add `DisallowUnknownFields()` in `Context.BindJSON()` [#2028](https://github.com/gin-gonic/gin/pull/2028)
- [NEW] Use specific `net.Listener` with `Engine.RunListener()` [#2023](https://github.com/gin-gonic/gin/pull/2023)
- [FIX] Fix some typo [#2079](https://github.com/gin-gonic/gin/pull/2079) [#2080](https://github.com/gin-gonic/gin/pull/2080)
- [FIX] Relocate binding body tests [#2086](https://github.com/gin-gonic/gin/pull/2086)
- [FIX] Use Writer in Context.Status [#1606](https://github.com/gin-gonic/gin/pull/1606)
- [FIX] `Engine.RunUnix()` now returns the error if it can't change the file mode [#2093](https://github.com/gin-gonic/gin/pull/2093)
- [FIX] `RouterGroup.StaticFS()` leaked files. Now it closes them. [#2118](https://github.com/gin-gonic/gin/pull/2118)
- [FIX] `Context.Request.FormFile` leaked file. Now it closes it. [#2114](https://github.com/gin-gonic/gin/pull/2114)
- [FIX] Ignore walking on `form:"-"` mapping [#1943](https://github.com/gin-gonic/gin/pull/1943)

### Gin v1.4.0

- [NEW] Support for [Go Modules](https://github.com/golang/go/wiki/Modules)  [#1569](https://github.com/gin-gonic/gin/pull/1569)
- [NEW] Refactor of form mapping multipart request [#1829](https://github.com/gin-gonic/gin/pull/1829)
- [FIX] Truncate Latency precision in long running request [#1830](https://github.com/gin-gonic/gin/pull/1830)
- [FIX] IsTerm flag should not be affected by DisableConsoleColor method. [#1802](https://github.com/gin-gonic/gin/pull/1802)
- [NEW] Supporting file binding [#1264](https://github.com/gin-gonic/gin/pull/1264)
- [NEW] Add support for mapping arrays [#1797](https://github.com/gin-gonic/gin/pull/1797)
- [FIX] Readme updates [#1793](https://github.com/gin-gonic/gin/pull/1793) [#1788](https://github.com/gin-gonic/gin/pull/1788) [1789](https://github.com/gin-gonic/gin/pull/1789)
- [FIX] StaticFS: Fixed Logging two log lines on 404.  [#1805](https://github.com/gin-gonic/gin/pull/1805), [#1804](https://github.com/gin-gonic/gin/pull/1804)
- [NEW] Make context.Keys available as LogFormatterParams [#1779](https://github.com/gin-gonic/gin/pull/1779)
- [NEW] Use internal/json for Marshal/Unmarshal [#1791](https://github.com/gin-gonic/gin/pull/1791)
- [NEW] Support mapping time.Duration [#1794](https://github.com/gin-gonic/gin/pull/1794)
- [NEW] Refactor form mappings [#1749](https://github.com/gin-gonic/gin/pull/1749)
- [NEW] Added flag to context.Stream indicates if client disconnected in middle of stream [#1252](https://github.com/gin-gonic/gin/pull/1252)
- [FIX] Moved [examples](https://github.com/gin-gonic/examples) to stand alone Repo [#1775](https://github.com/gin-gonic/gin/pull/1775)
- [NEW] Extend context.File to allow for the content-disposition attachments via a new method context.Attachment [#1260](https://github.com/gin-gonic/gin/pull/1260)
- [FIX] Support HTTP content negotiation wildcards [#1112](https://github.com/gin-gonic/gin/pull/1112)
- [NEW] Add prefix from X-Forwarded-Prefix in redirectTrailingSlash [#1238](https://github.com/gin-gonic/gin/pull/1238)
- [FIX] context.Copy() race condition [#1020](https://github.com/gin-gonic/gin/pull/1020)
- [NEW] Add context.HandlerNames() [#1729](https://github.com/gin-gonic/gin/pull/1729)
- [FIX] Change color methods to public in the defaultLogger. [#1771](https://github.com/gin-gonic/gin/pull/1771)
- [FIX] Update writeHeaders method to use http.Header.Set [#1722](https://github.com/gin-gonic/gin/pull/1722)
- [NEW] Add response size to LogFormatterParams [#1752](https://github.com/gin-gonic/gin/pull/1752)
- [NEW] Allow ignoring field on form mapping [#1733](https://github.com/gin-gonic/gin/pull/1733)
- [NEW] Add a function to force color in console output. [#1724](https://github.com/gin-gonic/gin/pull/1724)
- [FIX] Context.Next() - recheck len of handlers on every iteration. [#1745](https://github.com/gin-gonic/gin/pull/1745)
- [FIX] Fix all errcheck warnings [#1739](https://github.com/gin-gonic/gin/pull/1739) [#1653](https://github.com/gin-gonic/gin/pull/1653)
- [NEW] context: inherits context cancellation and deadline from http.Request context for Go>=1.7 [#1690](https://github.com/gin-gonic/gin/pull/1690)
- [NEW] Binding for URL Params [#1694](https://github.com/gin-gonic/gin/pull/1694)
- [NEW] Add LoggerWithFormatter method [#1677](https://github.com/gin-gonic/gin/pull/1677)
- [FIX] CI testing updates [#1671](https://github.com/gin-gonic/gin/pull/1671) [#1670](https://github.com/gin-gonic/gin/pull/1670) [#1682](https://github.com/gin-gonic/gin/pull/1682) [#1669](https://github.com/gin-gonic/gin/pull/1669)
- [FIX] StaticFS(): Send 404 when path does not exist [#1663](https://github.com/gin-gonic/gin/pull/1663)
- [FIX] Handle nil body for JSON binding [#1638](https://github.com/gin-gonic/gin/pull/1638)
- [FIX] Support bind uri param [#1612](https://github.com/gin-gonic/gin/pull/1612)
- [FIX] recovery: fix issue with syscall import on google app engine [#1640](https://github.com/gin-gonic/gin/pull/1640)
- [FIX] Make sure the debug log contains line breaks [#1650](https://github.com/gin-gonic/gin/pull/1650)
- [FIX] Panic stack trace being printed during recovery of broken pipe [#1089](https://github.com/gin-gonic/gin/pull/1089) [#1259](https://github.com/gin-gonic/gin/pull/1259)
- [NEW] RunFd method to run http.Server through a file descriptor [#1609](https://github.com/gin-gonic/gin/pull/1609)
- [NEW] Yaml binding support [#1618](https://github.com/gin-gonic/gin/pull/1618)
- [FIX] Pass MaxMultipartMemory when FormFile is called [#1600](https://github.com/gin-gonic/gin/pull/1600)
- [FIX] LoadHTML* tests [#1559](https://github.com/gin-gonic/gin/pull/1559)
- [FIX] Removed use of sync.pool from HandleContext [#1565](https://github.com/gin-gonic/gin/pull/1565)
- [FIX] Format output log to os.Stderr [#1571](https://github.com/gin-gonic/gin/pull/1571)
- [FIX] Make logger use a yellow background and a darkgray text for legibility [#1570](https://github.com/gin-gonic/gin/pull/1570)
- [FIX] Remove sensitive request information from panic log. [#1370](https://github.com/gin-gonic/gin/pull/1370)
- [FIX] log.Println() does not print timestamp [#829](https://github.com/gin-gonic/gin/pull/829) [#1560](https://github.com/gin-gonic/gin/pull/1560)
- [NEW] Add PureJSON renderer [#694](https://github.com/gin-gonic/gin/pull/694)
- [FIX] Add missing copyright and update if/else [#1497](https://github.com/gin-gonic/gin/pull/1497)
- [FIX] Update msgpack usage [#1498](https://github.com/gin-gonic/gin/pull/1498)
- [FIX] Use protobuf on render [#1496](https://github.com/gin-gonic/gin/pull/1496)
- [FIX] Add support for Protobuf format response [#1479](https://github.com/gin-gonic/gin/pull/1479)
- [NEW] Set default time format in form binding [#1487](https://github.com/gin-gonic/gin/pull/1487)
- [FIX] Add BindXML and ShouldBindXML [#1485](https://github.com/gin-gonic/gin/pull/1485)
- [NEW] Upgrade dependency libraries [#1491](https://github.com/gin-gonic/gin/pull/1491)


## Gin v1.3.0

- [NEW] Add [`func (*Context) QueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.QueryMap), [`func (*Context) GetQueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetQueryMap), [`func (*Context) PostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.PostFormMap) and [`func (*Context) GetPostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetPostFormMap) to support `type map[string]string` as query string or form parameters, see [#1383](https://github.com/gin-gonic/gin/pull/1383)
- [NEW] Add [`func (*Context) AsciiJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.AsciiJSON), see [#1358](https://github.com/gin-gonic/gin/pull/1358)
- [NEW] Add `Pusher()` in [`type ResponseWriter`](https://godoc.org/github.com/gin-gonic/gin#ResponseWriter) for supporting http2 push, see [#1273](https://github.com/gin-gonic/gin/pull/1273)
- [NEW] Add [`func (*Context) DataFromReader`](https://godoc.org/github.com/gin-gonic/gin#Context.DataFromReader) for serving dynamic data, see [#1304](https://github.com/gin-gonic/gin/pull/1304)
- [NEW] Add [`func (*Context) ShouldBindBodyWith`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindBodyWith) allowing to call binding multiple times, see [#1341](https://github.com/gin-gonic/gin/pull/1341)
- [NEW] Support pointers in form binding, see [#1336](https://github.com/gin-gonic/gin/pull/1336)
- [NEW] Add [`func (*Context) JSONP`](https://godoc.org/github.com/gin-gonic/gin#Context.JSONP), see [#1333](https://github.com/gin-gonic/gin/pull/1333)
- [NEW] Support default value in form binding, see [#1138](https://github.com/gin-gonic/gin/pull/1138)
- [NEW] Expose validator engine in [`type StructValidator`](https://godoc.org/github.com/gin-gonic/gin/binding#StructValidator), see [#1277](https://github.com/gin-gonic/gin/pull/1277)
- [NEW] Add [`func (*Context) ShouldBind`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBind), [`func (*Context) ShouldBindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindQuery) and [`func (*Context) ShouldBindJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindJSON), see [#1047](https://github.com/gin-gonic/gin/pull/1047)
- [NEW] Add support for `time.Time` location in form binding, see [#1117](https://github.com/gin-gonic/gin/pull/1117)
- [NEW] Add [`func (*Context) BindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.BindQuery), see [#1029](https://github.com/gin-gonic/gin/pull/1029)
- [NEW] Make [jsonite](https://github.com/json-iterator/go) optional with build tags, see [#1026](https://github.com/gin-gonic/gin/pull/1026)
- [NEW] Show query string in logger, see [#999](https://github.com/gin-gonic/gin/pull/999)
- [NEW] Add [`func (*Context) SecureJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.SecureJSON), see [#987](https://github.com/gin-gonic/gin/pull/987) and [#993](https://github.com/gin-gonic/gin/pull/993)
- [DEPRECATE] `func (*Context) GetCookie` for [`func (*Context) Cookie`](https://godoc.org/github.com/gin-gonic/gin#Context.Cookie)
- [FIX] Don't display color tags if [`func DisableConsoleColor`](https://godoc.org/github.com/gin-gonic/gin#DisableConsoleColor) called, see [#1072](https://github.com/gin-gonic/gin/pull/1072)
- [FIX] Gin Mode `""` when calling [`func Mode`](https://godoc.org/github.com/gin-gonic/gin#Mode) now returns `const DebugMode`, see [#1250](https://github.com/gin-gonic/gin/pull/1250)
- [FIX] `Flush()` now doesn't overwrite `responseWriter` status code, see [#1460](https://github.com/gin-gonic/gin/pull/1460)

## Gin 1.2.0

- [NEW] Switch from godeps to govendor
- [NEW] Add support for Let's Encrypt via gin-gonic/autotls
- [NEW] Improve README examples and add extra at examples folder
- [NEW] Improved support with App Engine
- [NEW] Add custom template delimiters, see #860
- [NEW] Add Template Func Maps, see #962
- [NEW] Add \*context.Handler(), see #928
- [NEW] Add \*context.GetRawData()
- [NEW] Add \*context.GetHeader() (request)
- [NEW] Add \*context.AbortWithStatusJSON() (JSON content type)
- [NEW] Add \*context.Keys type cast helpers
- [NEW] Add \*context.ShouldBindWith()
- [NEW] Add \*context.MustBindWith()
- [NEW] Add \*engine.SetFuncMap()
- [DEPRECATE] On next release: \*context.BindWith(), see #855
- [FIX] Refactor render
- [FIX] Reworked tests
- [FIX] logger now supports cygwin
- [FIX] Use X-Forwarded-For before X-Real-Ip
- [FIX] time.Time binding (#904)

## Gin 1.1.4

- [NEW] Support google appengine for IsTerminal func

## Gin 1.1.3

- [FIX] Reverted Logger: skip ANSI color commands

## Gin 1.1

- [NEW] Implement QueryArray and PostArray methods 
- [NEW] Refactor GetQuery and GetPostForm 
- [NEW] Add contribution guide 
- [FIX] Corrected typos in README
- [FIX] Removed additional Iota  
- [FIX] Changed imports to gopkg instead of github in README (#733) 
- [FIX] Logger: skip ANSI color commands if output is not a tty

## Gin 1.0rc2 (...)

- [PERFORMANCE] Fast path for writing Content-Type.
- [PERFORMANCE] Much faster 404 routing
- [PERFORMANCE] Allocation optimizations
- [PERFORMANCE] Faster root tree lookup
- [PERFORMANCE] Zero overhead, String() and JSON() rendering.
- [PERFORMANCE] Faster ClientIP parsing
- [PERFORMANCE] Much faster SSE implementation
- [NEW] Benchmarks suite
- [NEW] Bind validation can be disabled and replaced with custom validators.
- [NEW] More flexible HTML render
- [NEW] Multipart and PostForm bindings
- [NEW] Adds method to return all the registered routes
- [NEW] Context.HandlerName() returns the main handler's name
- [NEW] Adds Error.IsType() helper
- [FIX] Binding multipart form
- [FIX] Integration tests
- [FIX] Crash when binding non struct object in Context.
- [FIX] RunTLS() implementation
- [FIX] Logger() unit tests
- [FIX] Adds SetHTMLTemplate() warning
- [FIX] Context.IsAborted()
- [FIX] More unit tests
- [FIX] JSON, XML, HTML renders accept custom content-types
- [FIX] gin.AbortIndex is unexported
- [FIX] Better approach to avoid directory listing in StaticFS()
- [FIX] Context.ClientIP() always returns the IP with trimmed spaces.
- [FIX] Better warning when running in debug mode.
- [FIX] Google App Engine integration. debugPrint does not use os.Stdout
- [FIX] Fixes integer overflow in error type
- [FIX] Error implements the json.Marshaller interface
- [FIX] MIT license in every file


## Gin 1.0rc1 (May 22, 2015)

- [PERFORMANCE] Zero allocation router
- [PERFORMANCE] Faster JSON, XML and text rendering
- [PERFORMANCE] Custom hand optimized HttpRouter for Gin
- [PERFORMANCE] Misc code optimizations. Inlining, tail call optimizations
- [NEW] Built-in support for golang.org/x/net/context
- [NEW] Any(path, handler). Create a route that matches any path
- [NEW] Refactored rendering pipeline (faster and static typed)
- [NEW] Refactored errors API
- [NEW] IndentedJSON() prints pretty JSON
- [NEW] Added gin.DefaultWriter
- [NEW] UNIX socket support
- [NEW] RouterGroup.BasePath is exposed
- [NEW] JSON validation using go-validate-yourself (very powerful options)
- [NEW] Completed suite of unit tests
- [NEW] HTTP streaming with c.Stream()
- [NEW] StaticFile() creates a router for serving just one file.
- [NEW] StaticFS() has an option to disable directory listing.
- [NEW] StaticFS() for serving static files through virtual filesystems
- [NEW] Server-Sent Events native support
- [NEW] WrapF() and WrapH() helpers for wrapping http.HandlerFunc and http.Handler
- [NEW] Added LoggerWithWriter() middleware
- [NEW] Added RecoveryWithWriter() middleware
- [NEW] Added DefaultPostFormValue()
- [NEW] Added DefaultFormValue()
- [NEW] Added DefaultParamValue()
- [FIX] BasicAuth() when using custom realm
- [FIX] Bug when serving static files in nested routing group
- [FIX] Redirect using built-in http.Redirect()
- [FIX] Logger when printing the requested path
- [FIX] Documentation typos
- [FIX] Context.Engine renamed to Context.engine
- [FIX] Better debugging messages
- [FIX] ErrorLogger
- [FIX] Debug HTTP render
- [FIX] Refactored binding and render modules
- [FIX] Refactored Context initialization
- [FIX] Refactored BasicAuth()
- [FIX] NoMethod/NoRoute handlers
- [FIX] Hijacking http
- [FIX] Better support for Google App Engine (using log instead of fmt)


## Gin 0.6 (Mar 9, 2015)

- [NEW] Support multipart/form-data
- [NEW] NoMethod handler
- [NEW] Validate sub structures
- [NEW] Support for HTTP Realm Auth
- [FIX] Unsigned integers in binding
- [FIX] Improve color logger


## Gin 0.5 (Feb 7, 2015)

- [NEW] Content Negotiation
- [FIX] Solved security bug that allow a client to spoof ip
- [FIX] Fix unexported/ignored fields in binding


## Gin 0.4 (Aug 21, 2014)

- [NEW] Development mode
- [NEW] Unit tests
- [NEW] Add Content.Redirect()
- [FIX] Deferring WriteHeader()
- [FIX] Improved documentation for model binding


## Gin 0.3 (Jul 18, 2014)

- [PERFORMANCE] Normal log and error log are printed in the same call.
- [PERFORMANCE] Improve performance of NoRouter()
- [PERFORMANCE] Improve context's memory locality, reduce CPU cache faults.
- [NEW] Flexible rendering API
- [NEW] Add Context.File()
- [NEW] Add shortcut RunTLS() for http.ListenAndServeTLS
- [FIX] Rename NotFound404() to NoRoute()
- [FIX] Errors in context are purged
- [FIX] Adds HEAD method in Static file serving
- [FIX] Refactors Static() file serving
- [FIX] Using keyed initialization to fix app-engine integration
- [FIX] Can't unmarshal JSON array, #63
- [FIX] Renaming Context.Req to Context.Request
- [FIX] Check application/x-www-form-urlencoded when parsing form


## Gin 0.2b (Jul 08, 2014)
- [PERFORMANCE] Using sync.Pool to allocatio/gc overhead
- [NEW] Travis CI integration
- [NEW] Completely new logger
- [NEW] New API for serving static files. gin.Static()
- [NEW] gin.H() can be serialized into XML
- [NEW] Typed errors. Errors can be typed. Internet/external/custom.
- [NEW] Support for Godeps
- [NEW] Travis/Godocs badges in README
- [NEW] New Bind() and BindWith() methods for parsing request body.
- [NEW] Add Content.Copy()
- [NEW] Add context.LastError()
- [NEW] Add shortcut for OPTIONS HTTP method
- [FIX] Tons of README fixes
- [FIX] Header is written before body
- [FIX] BasicAuth() and changes API a little bit
- [FIX] Recovery() middleware only prints panics
- [FIX] Context.Get() does not panic anymore. Use MustGet() instead.
- [FIX] Multiple http.WriteHeader() in NotFound handlers
- [FIX] Engine.Run() panics if http server can't be set up
- [FIX] Crash when route path doesn't start with '/'
- [FIX] Do not update header when status code is negative
- [FIX] Setting response headers before calling WriteHeader in context.String()
- [FIX] Add MIT license
- [FIX] Changes behaviour of ErrorLogger() and Logger()