Merge tag 'RELEASE_0.2.0' into develop

0.2.0

* tag 'RELEASE_0.2.0':
  bump ver
add test tasks to rakefile
use JSON class additions
version 0.2.1
added 'dalli' backend - newer memcache lib
don't require files moved into other gem
version 0.2.2
don't require memcache lib for all k/v stores
pass through client option
switch to EDN serialization by default
also make CAS strategy smart about Time/DateTime conversions that may happen during serialization
bump version
added observe function
Merge branch 'release/0.3.1'

* release/0.3.1:
  added observe function
  bump version
  switch to EDN serialization by default also make CAS strategy smart about Time/DateTime conversions that may happen during serialization
  pass through client option
  don't require memcache lib for all k/v stores
  version 0.2.2
  don't require files moved into other gem
  added 'dalli' backend - newer memcache lib
  version 0.2.1
  use JSON class additions
  add test tasks to rakefile