Fixed order to accept an array

Fixed order to accept an array of fields not just a sql like string
Namespace fix
Namespace fix
Exception namespace fix
nothing
add missing method getReference

-add missing method getReference
-update getRouteUrl method
fix sendWithSendgrid method

wrong class was initialized
Merge branch 'development'

Conflicts:
	Caspian/Database/Mongo/Model.php
	Caspian/Helpers/URL.php
removed useless files and added placeholders