update external usage links in behavioral pattern docstrings to point to README instead of wiki

pypattyrn/behavioral/chain.py

@@ -5,7 +5,7 @@ class ChainLink(object, metaclass=ABCMeta):
     """
     Abstract ChainLink object as part of the Chain of Responsibility pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#chain-of-responsibility-pattern}
     - External Chain of Responsibility Pattern documentation: U{https://en.wikipedia.org/wiki/Chain-of-responsibility_pattern}
     """
     def __init__(self):
@@ -45,7 +45,7 @@ class Chain(object, metaclass=ABCMeta):
     """
     Abstract Chain class as part of the Chain of Responsibility pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#chain-of-responsibility-pattern}
     - External Chain of Responsibility Pattern documentation: U{https://en.wikipedia.org/wiki/Chain-of-responsibility_pattern}
     """
     def __init__(self, chainlink):

pypattyrn/behavioral/command.py

@@ -5,7 +5,7 @@ class Receiver(object, metaclass=ABCMeta):
     """
     Abstract receiver class as part of the Command pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#command-pattern}
     - External Command Pattern documentation: U{https://en.wikipedia.org/wiki/Command_pattern}
     """
     def action(self, name, *args, **kwargs):
@@ -27,7 +27,7 @@ class Command(object, metaclass=ABCMeta):
     """
     Abstract Command class as part of the Command pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#command-pattern}
     - External Command Pattern documentation: U{https://en.wikipedia.org/wiki/Command_pattern}
     """
     def __init__(self, receiver):
@@ -58,7 +58,7 @@ class Invoker(object, metaclass=ABCMeta):
     """
     Abstract Invoker class as part of the Command pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#command-pattern}
     - External Command Pattern documentation: U{https://en.wikipedia.org/wiki/Command_pattern}
     """
     def __init__(self, valid_commands):

pypattyrn/behavioral/iterator.py

@@ -5,7 +5,7 @@ class Iterator(object):
     """
     An Iterator class for the Iterator design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#iterator-pattern}
     - External Iterator Pattern documentation: U{https://en.wikipedia.org/wiki/Iterator_pattern}
     """
     def __init__(self, iterable):
@@ -28,7 +28,7 @@ class Iterable(object, metaclass=ABCMeta):
     """
     An abstract class representing an Iterable object as part of the Iterator design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#iterator-pattern}
     - External Iterator Pattern documentation: U{https://en.wikipedia.org/wiki/Iterator_pattern}
     """
     @abstractmethod

pypattyrn/behavioral/mediator.py

@@ -5,7 +5,7 @@ class Mediator(object):
     """
     Mediator class as part of the Mediator design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#mediator-pattern}
     - External Mediator Pattern documentation: U{https://en.wikipedia.org/wiki/Mediator_pattern}
     """
     def __init__(self):

pypattyrn/behavioral/memento.py

@@ -5,7 +5,7 @@ class Memento(object):
     """
     Memento class as part of the Memento design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#memento-pattern}
     - External Memento Pattern documentation: U{https://en.wikipedia.org/wiki/Memento_pattern}
     """
     def __init__(self, state):
@@ -26,7 +26,7 @@ class Originator(object):
     """
     Originator base class as part of the Memento design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#memento-pattern}
     - External Mediator Pattern documentation: U{https://en.wikipedia.org/wiki/Memento_pattern}
     """
     def commit(self):

pypattyrn/behavioral/null.py

@@ -2,7 +2,7 @@ class Null(object):
     """
     A Null object class as part of the Null object design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#null-object-pattern}
     - External Null Object Pattern documentation: U{https://en.wikipedia.org/wiki/Null_Object_pattern}
     """
     def __init__(self, *args, **kwargs):

pypattyrn/behavioral/observer.py

@@ -5,7 +5,7 @@ class Observer(object, metaclass=ABCMeta):
     """
     Abstract Observer class as part of the Observer design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#observer-pattern}
     - External Observer Pattern documentation: U{https://en.wikipedia.org/wiki/Observer_pattern}
     """
     @abstractmethod
@@ -20,7 +20,7 @@ class Observable(object):
     """
     Base Observable class as part of the Observer design pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#observer-pattern}
     - External Observer Pattern documentation: U{https://en.wikipedia.org/wiki/Observer_pattern}
     """
     def __init__(self):

pypattyrn/behavioral/visitor.py

@@ -5,7 +5,7 @@ class Visitor(metaclass=ABCMeta):
     """
     Abstract Visitor class as part of the Visitor Design Pattern.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#visitor-pattern}
     - External Visitor Design Pattern documentation: U{https://en.wikipedia.org/wiki/Visitor_pattern}
     """
     def visit(self, node, *args, **kwargs):
@@ -19,7 +19,7 @@ class Visitor(metaclass=ABCMeta):
         """
         method = None
         for cls in node.__class__.__mro__:
-            method_name = 'visit_'+cls.__name__.lower()
+            method_name = 'visit_' + cls.__name__.lower()
             method = getattr(self, method_name, None)
             if method:
                 break
@@ -43,7 +43,7 @@ class Visitee(object):
     """
     A base class for objects that wish to be able to be visited by a Visitor class.
 
-    - External Usage documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Behavioral-Pattern-Usage}
+    - External Usage documentation: U{https://github.com/tylerlaberge/PyPattyrn#behavioral-patterns}
     - External Visitor Design Pattern documentation: U{https://en.wikipedia.org/wiki/Visitor_pattern}
     """
     def accept(self, visitor, *args, **kwargs):