Added a create() method for ClassMemberNode.
Doc'd ClassMemberNode::create().
Added ClassNode::createProperty().
Merge branch 'master' into class_member_create
Created proxy methods in ClassMemberNode to set visibility and static-ness of the parent list, and found a couple of minor bugs.
Do not allow removal of visibility on class member
Merge pull request #124 from grom358/class_member_create

ClassMemberNode::create()