replace call_user_func with call_user_func_array
fix array unshift usage
phpdoc edits
adding return to calls
check if method was already registered
dummy commit for Travis
trying to pass current PHPUnit tests
__call, __callStatic with object/class as first param
No forced 1st param in __callStatic
PHPDoc examples added
Made exception messages more meaningful
Merge branch 'node-dynamic-methods-fix' of git://github.com/marekmurawski/wolfcms into marekmurawski-node-dynamic-methods-fix

Conflicts:
	wolf/app/models/Node.php