Changed tokenMap from memory to python shelve db for storing tokens
Changed tokenMap from memory to python shelve db for storing tokens

saupchurch/server,dcolligan/server,ga4gh/server,david4096/ga4gh-server,saupchurch/server,dcolligan/server,david4096/ga4gh-server,david4096/ga4gh-server,ga4gh/server,dcolligan/server,saupchurch/server,ga4gh/server