force flag has to be set in the request
closes #110

closes #75

closes #129

Clarify the intent of both 'j' and 'connect' options of pymongo.MongoClient().

closes #123

Resolve "No replica set members found yet" errors when using mongodb connections when API is hosted by API.

- add two new variables to sample.config
- update defaults in config.py to be strings as that's how environment
  variables come in by default

closes #93

closes #100

closes #115