working on some logic on when to stringify ajax requests
closes #495
If `Model.uuid()` exists, use it to set `@id` and `@cid` in constructor
Added tests for client-side UUIDs
Bug fix and test improvements
Don't delete reference to cID when changing ID of a new record
Merge pull request #498 from navitmccaffery/changeid_deleting_cids

Don't delete reference to cID when changing ID of a new record
tests for ajax - processData, request type, and stringify scenarios
this is much simpler logic... why was I making it so complicated
add licence header for core spine file
merge from dev
resolve hanging merge head
Merge pull request #499 from spine/ajaxGetFix

Ajax get fix
merge dev and build
version bump
Merge branch 'dev'
version bump in compiled js
add slice, improve last and first
version bump
Merge pull request #500 from spine/slice

add slice, improve last and first