Merge pull request tedious#94 from tedious/stash_v0_14

Updated Stash to v0.14

Update changelog for v0.5.3

Update changelog for v0.5.2

Update changelog for v0.4.3

Updated changelog for upcoming release

Added 0.4.2 changes

Updated Stash version

Merge pull request tedious#40 from lolautruche/fix_missingMemcachedOp…

…tions

Fixed missing Memcached options

Update README.md