Updated all of the matcher classes in sleekxmpp.xmlstream.matcher.

Matchers are now PEP8 compliant and have documentation.

sleekxmpp/xmlstream/matcher/id.py

@@ -5,9 +5,28 @@
 
     See the file LICENSE for copying permission.
 """
-from . import base
 
-class MatcherId(base.MatcherBase):
-	
-	def match(self, xml):
-		return xml['id'] == self._criteria
+from sleekxmpp.xmlstream.matcher.base import MatcherBase
+
+
+class MatcherId(MatcherBase):
+
+    """
+    The ID matcher selects stanzas that have the same stanza 'id'
+    interface value as the desired ID.
+
+    Methods:
+        match -- Overrides MatcherBase.match.
+    """
+
+    def match(self, xml):
+        """
+        Compare the given stanza's 'id' attribute to the stored
+        id value.
+
+        Overrides MatcherBase.match.
+
+        Arguments:
+            xml -- The stanza to compare against.
+        """
+        return xml['id'] == self._criteria