Merge pull request cydrobolt#266 from cydrobolt/fix/compat-5.5.9

Compatibility patch for 2.1.0

Bump 2.1.0

Bump version to 2.0.0 stable

version bump 2.0.0rc1

Remove extra spacing

Add missing env template

Denote alpha ver

clarify file usage

Update version.php

Change version