Added first draft of composer.json
Issue #10: Renamed Assign.
Reorganized some code and updated doc blocks.
Issue #10: Renamed unassign, unassignPermisions, unassignRoles and unassignUsers.
Issue #10: Renamed HasRole
Issue #10: Renamed HasPermission
Issue #10: Renamed AllRoles
Issue #10: Renamed RoleCount
Issue #10: Renamed Enforce
Issue #10: Renamed Remove
Issue #10: Rename Roles
Issue #10: Renamed Permissions
Issue #10: Renamed Reset and ResetAssignments
Issue #10: Renamed Check
Issue #10: Renamed jf. Have to remove jf.php from git index to rename it (Jf.php).
Issue #10: Renamed jb.php to Jf.php
Issue #10: Renamed SQL, SQL_pdo and SQL_mysqli
Issue #10: Renamed Add and AddPath
Issue #10: Count
Issue #10: Renamed Path and PathConditional