Fixed empty array bug
Another minor bugfix for deprecated WordPress db escape
Fixed the sponsor account function being called when sponsored users checkout
Added pmprosm_getChildren() function

Returns array of child account user IDs.
Merge pull request #5 from alexbiddle/bugfixes

Bugfixes
Merge branch 'master' of github.com:strangerstudios/pmpro-sponsored-members

Conflicts:
	pmpro-sponsored-members.php