Lock pyxmpp2-sasl to 2.0.2 minimum

Author: wolfy1339

setup.py

@@ -17,7 +17,7 @@
       author_email='[email protected]',
       license='GNU',
       packages=find_packages(),
-      install_requires=['six', 'pyxmpp2_scram'],
+      install_requires=['six', 'pyxmpp2_scram>=2.0.2'],
       extras_require={
           'pysocks': ['pysocks'],
           'pysocks:sys_platform=="win32" and python_version == "2.7"': ['win_inet_pton']