Fix type of resource paths not being bytes.
Add client.close() to explicitly close all pool connections
Use built-in pool clear() method instead of explicitly iterating on client close()
Merge pull request #327 from basho/feature/bch/add-client-close

Add client.close() to explicitly close all pool connections
If a JSON error occurs during key streaming throw the error message into a RiakError
Merge pull request #329 from basho/bugfix/bch/http-json-error

Fix JSON Error during HTTP stream_keys() Operation
Set multiValued false in schema test
Merge pull request #333 from basho/er/yz-nomultival

Set multiValued false in schema test
Fix PEP8 warning
Ensure results from multiget have the proper bucket type.

Addresses #321.
Update benchmark in multiget for bucket types.
Adjust docs on multiget function
Fix tests for multiget w/bucket-types
Merge pull request #320 from xen0n/fix-resources-path-type

Fix type of resource paths not being bytes.
Merge pull request #331 from basho/bugfix/sdc/321-multiget-btype

Ensure results from multiget have the proper bucket type.
Add optional security to PBC and HTTP messages
Many updates based on @seancribbs's response
- No longer preconfigure `storage_backend` and don't distable HTTP listener
- Renamed `security_creds` to `credentials` everywhere
- Moved `security_auth_headers` to transport
- Make PyOpenSSL required in `setup.py`
- Check SSL version on import instead of upon initialization
- Added `SecurityError` subclass of `RiakError`
- Removed security credentials from the transport classes
- Simplified some error reporting in PBC connection
- Cleaned up PEP8 spacing
- Reorged some of the PBC connection messages
A few more @seancribbs-inspired changes
- Add `setup_test` command to run `create_bucket_types` and `setup_security`
- Add _create_credentials to RiakClient
- Only store credentials in the RiakClient
A few more updates based on Sean's comments:
- Remove "https" transport type
- Fix a couple of PEP8 warnings
- Clean up some of the intentionally failing tests
Add pyOpenSSL to list of packages to uninstall and ignore failure if package is missing