Fix passing HTTP options to create from TestUsers#create_network
Try to parse  access_token response.body as JSON
Allow for access token to be passed as either a string or symbol in GraphBatchAPI#graph_call_in_batch.

Introduces a simple symbolize_hash method in Koala::Utils to accomplish this.

Fixes #409
Include FB user info in error message
Merge pull request #419 from mattmueller/chore/allow_for_strings_and_symbols_in_batch_options_hash

GraphBatchAPI#graph_call_in_batch: allow for string or symbol options.
Merge branch 'oauth-parse-bug' of git://github.com/ridiculous/koala into ridiculous-oauth-parse-bug
Support Facebook's new JSON-based access token response
Merge branch 'master' of github.com:arsduo/koala
Merge pull request #415 from crx/crx_create_network_arg_passthrough

Fix passing HTTP options to create from TestUsers#create_network
Update Travis
Bump version
Fix live test framework (not actual tests)
Bump version in readme