Add depedency on httpclient gem
Update .gitignore
Use httpclient to handle all http operations, get rid of our http auth custom code
Forgot to remove deleted file from gem manifest
RETS capabilities can return either absolute URLs or relative paths
Load/save cookie store only if :cookie_store option is set
Check http status code and raise exception if it's not '2xx OK'
Add option to persist all http cookies regardless their expiration policy
Kill Rets::Session
Don't mix up cookies from one host with another
Reformatting
Force ascii-8bit encoding on multipart body
Some RETS servers return success in rets xml body but 4xx in http status
A bit of code cleanup
Turn 401 into AuthorizationFailure exception
Log http traffic
Fix rets.gemspec
Merge remote-tracking branch 'origin/master' into use_httpclient

Conflicts:
	lib/rets/client.rb
Merge pull request #26 from tdtran/use_httpclient

Review: use httpclient gem to handle http traffic