Merge pull request #5 from THUNDERGROOVE/master

Fix 'start' executable not found in %PATH%

open/exec_windows.go

@@ -7,9 +7,9 @@ import (
 )
 
 func open(input string) *exec.Cmd {
-	return exec.Command("start", "", input)
+	return exec.Command("cmd", "/C", "start", "", input)
 }
 
 func openWith(input string, appName string) *exec.Cmd {
-	return exec.Command("start", "", appName, input)
+	return exec.Command("cmd", "/C", "start", "", appName, input)
 }