bump version to 0.4.11.dev2 (pre release)

Author: planrich

setup.py

@@ -100,7 +100,7 @@ def run(self):
     name='vmprof',
     author='vmprof team',
     author_email='[email protected]',
-    version="0.4.11.dev1",
+    version="0.4.11.dev2",
     packages=find_packages(),
     description="Python's vmprof client",
     long_description='See https://vmprof.readthedocs.org/',