Update setup.py (#13)

Author: Karthik Kumaravel

setup.py

@@ -2,14 +2,14 @@
 
 
 setup(name='iosxr_grpc',
-      version='1.1',
+      version='1.2',
       description='gRPC library for IOS-XR > 6.1.1',
       url='https://github.com/cisco-grpc-connection-libs/ios-xr-grpc-python',
       author='Karthik Kumaravel',
       authoer_email='srirudrankumaravel@gmail.com',
       licencse='Apache 2.0',
       packages=['iosxr_grpc'],
       install_requires=[
-          'grpcio==1.1.0',
+          'grpcio==1.0.0',
       ],
       zip_safe=False)