- Introduced weak references (PR [165](https://github.com/RaRe-Technologies/sqlitedict/pull/165), [mpenkov](https://github.com/mpenkov))
- Properly handled race condition (PR [164](https://github.com/RaRe-Technologies/sqlitedict/pull/164), [mpenkov](https://github.com/mpenkov))
- Added optional (not enabled by default) ability to encode keys (PR [161](https://github.com/RaRe-Technologies/sqlitedict/pull/161), [rdyro](https://github.com/rdyro))
- Changed logging from info to debug (PR [163](https://github.com/RaRe-Technologies/sqlitedict/pull/163), [nvllsvm](https://github.com/nvllsvm))
- Updated supported versions in readme (PR [158](https://github.com/RaRe-Technologies/sqlitedict/pull/158), [plague006](https://github.com/plague006))
- Corrected spelling mistakes (PR [166](https://github.com/RaRe-Technologies/sqlitedict/pull/166), [EdwardBetts](https://github.com/EdwardBetts))