Merge pull request #4 from lastguest/master

Email::send complexity simplify
Update Work.php
Update REST.php
Remove nested group in REST::expose
typo
Create CONTRIBUTE.md
Update README.md
Delete CONTRIBUTE.md
Update Request.php
Token - don't gzip payload
Update Token.php
Update Token.php
Update Native.php
Fixed array_merge in Email::send
Update Email.php
Added color CLI writeln
[New] Nested Route::group support
Added Request::host
Update Request.php
[New] SQL::single fetches a single row