Re-wording the mysqli helper to allow for replicas
WIP added master and slave functions to allow multiple servers.
Merge branch 'master' of github.com:zoopcommerce/juggernaut

Conflicts:
	src/Zoop/Juggernaut/Helper/Database/Mysqli.php
removed dies and replaced with exceptions.
Merge pull request #13 from crimsonronin/master

Removed "dies" and added "catch/throw"