Initial work
Use Typhoeus master instead of 0.6.1
CacheFileStore back to the previous state
Typhoeus cache class
--fail-fast added to rspec
Ref #53 Typhoeus > 0.4.2 support
Request#cache_key implementation
Uses Typhoeus 0.6.2 instead of master
Typhoeus::Request#cache_key comment updated
cache_key reduced to 32 chars
Merge branch 'typhoeus-support'
Bump to version 2.1