changes
Merge pull request #47 from 4578395263256/url

Add Proxy field to ConnectionParams.
Update README.md
Fix races in memcache raw_client_test.go and mock_client.go
Merge pull request #48 from adegtiar/fix_mc_mock_race

Fix races in memcache raw_client_test.go and mock_client.go
Revert "changes"

This reverts commit abee1afc2dbcda1df923145805f0e88cafcf053f.