Added conversion from NSString to NSNumber into imports
Added Unit test for string to number conversion
[296] Fix problem with NSStrings trying to be parsed as an object
Fixed problem with To-Many relations retrieved as a single object
Update save examples in README

Fixes #381
Merge pull request #334 from angelolloqui/develop

Convert NSString to NSNumber when importing
Fixing a couple of API mistakes in the README

Thanks to @neilang and @thoughtadvances for the heads up on these problems.
Make podspec reference tag '2.1'