Added objectcache proposal
Changed namespace to PSR
Added $ttl argument and renamed method names as per suggestions on the
mailing list.
Proposing the exists() method to check existence in the cache.
Added 'clear'
Added Multiple interface, and renamed PSR\Cache to PSR\Cache\Base
Note about unset
Added EmulateMultiple cache
Replaced 'ttl' argument with an 'options' array.
Removed clear() method. Removed $options argument from set functions,
and put the $ttl argument back in.
update introductory language, add list of voting and non-voting participants
add PSR-1 proposal
update README with info from original page, and with new info
extend intro narrative, add survey data and results
update joomla rep, based on mailing list message
add notes about requesting membership
update with 'how to request membership', and apparently Evert isn't a member yet (that sucks)
Merge pull request #23 from pmjones/readme-update

update README with info from original page, and with new info
add Drak to the voting members
include notes on what was purposely omitted