Update readme and update notes

adds bool return value to write method

Merge pull request snc#172 from theUniC/1.1

Predis 1.0 in branch 1.1

Enable pre-installed redis extension on travis

Merge pull request snc#103 from snc/issue-103

Monolog logging redis level doesn't work

Updated documentation

Updated documentation

Removed old branch-alias from composer.json

Updated README

Fixed SncRedisExtensionTest