Renamed the connections bits.
Removed the old resources code.
Checkpointing the current JSON-oriented work.
Removed a long-standing FIXME.
Moved ResourceJSON loading out into it's own file.
Revised resource construction working.
More resources work to automatically incorporate identifiers into the parameters.
Collections code (based off the resource code) in-place & functional.
Checking in all the in-progress services.
Added service cache for all the classes we're going to be generating.
Added a couple extra methods to the cache.
Integrated the new service cache into the session & friends.
More tests & a couple bugfixes.
Low-level method for building the correct resources within Collections in place.
``Identifiers`` -> ``Identifier``, to simplify things.
Removed old resources in prep for merge.
Better return values on create.
SQS integration tests (while clumsy) are passing.
Merge branch 'resource-json' into develop
Changed the User Agent string to actually be useful.