v1.0.91 release

Author: quentinlesceller

setup.py

@@ -14,7 +14,7 @@
 setup(name='blockcypher',
       long_description=long_description,
       long_description_content_type='text/markdown',
-      version='1.0.90',
+      version='1.0.91',
       description='BlockCypher Python Library',
       author='Michael Flaxman',
       author_email='mflaxman+blockcypher@gmail.com',