get and cat work for entities with no associated file
add show method
updates to README.md
clean up dead code in utils.py
test download file
added version checking
version_check hits versions.synapse.sagebase.org by default and dev-versions.synapse.sagebase.org for testing
install instructions and license info
read currently running version info from file synapsePythonClient
store session token in .session file in cache directory
upgrade to version 1.0.3 of requests library
Fixed unit test and error msg based on code review feedback
Merge pull request #6 from cbare/master

version check and testing (SYNR-289)
fixed bad dependecy in setup.py
Merge pull request #8 from cbare/master

Fix broken setup.py
Moves files to correspond to package name and fixes version handling.