Increase version in README and pod spec

Improve unit tests involving observers

Merge pull request robotmedia#109 from robotmedia/feature/deferred-tr…

…ansactions

Add support for deferred transactions

Merge pull request robotmedia#96 from streeter/typo-fix

Thanks!

Merge pull request robotmedia#79 from jcaille/master

Using non-reserved keywords in C++ and explicit casting of pointers

HeaderDoc formatting

Remove unused RMStore-Prefix.pch

Increase version

Bug fix: transactions cache was always nil until persisting the first…

… transaction

Missing source files