implement get_event which supports only normal event (TODO: add unit tests)
add a test for CybozuGaroonApi.get_events (TODO: add more tests)
add tests for CybozuGaroonApi.get_events (TODO: verify return value)
remove unused variable
add request&response info, and modify xml
convert get_events-*-*.xml to get_events.yml
use verify_events function to check results
remove tests to verify monkey patch
Merge branch 'garoon-api-get-events'