Update basho-erlastic dependency

Author: Luke Bakken

setup.py

@@ -7,14 +7,14 @@
 from version import get_version
 from commands import setup_timeseries, build_messages
 
-install_requires = ['six >= 1.8.0', 'basho_erlastic >= 2.1.0']
-requires = ['six(>=1.8.0)', 'basho_erlastic(>= 2.1.0)']
+install_requires = ['six >= 1.8.0', 'basho_erlastic >= 2.1.1']
+requires = ['six(>=1.8.0)', 'basho_erlastic(>= 2.1.1)']
 
-if sys.version_info[0:3] <= (2, 7, 9):
+if sys.version_info[:3] <= (2, 7, 9):
     install_requires.append("pyOpenSSL >= 0.14")
     requires.append("pyOpenSSL(>=0.14)")
 
-if sys.version_info[0:3] <= (3, 0, 0):
+if sys.version_info[:3] <= (3, 0, 0):
     install_requires.append('protobuf >=2.4.1, <2.7.0')
     requires.append('protobuf(>=2.4.1, <2.7.0)')
 else: