Added support for making a class member list static.
Increased the robustness of VisibilityTrait::setVisibility().
Documentation.
Modified TopNode::create() to create an empty, namespaced file.
Created a helper method to clone a function as a method of an existing class.
Merge pull request #123 from grom358/visibility_set

setVisibility() can accept visibility constants or strings
Merge pull request #126 from grom358/clone_helpers

FunctionDeclarationNode::cloneAsMethodOf()
Created a method to get the fully qualified name of a class method.
Visibility is always set in valid syntax
Merge pull request #122 from grom358/class_member_static

ClassMemberListNode::setStatic()
Fixed minor error in getFullyQualifiedName()'s doc comment.
Merge pull request #127 from grom358/qualified_method_name

ClassMethodNode::getFullyQualifiedName
Added ScalarNode interface
Merge branch 'master' into class_member_create