Update version

Author: tomasbedrich

setup.py

@@ -42,7 +42,7 @@ def run(self):
 
 info = {
     "name":                "pycaching",
-    "version":             "4.1.1",  # PEP 386
+    "version":             "4.2.1",  # PEP 386
     "author":              "Tomas Bedrich",
     "author_email":        "[email protected]",
     "url":                 "https://github.com/tomasbedrich/pycaching",