Merge branch 'hotfix/0.1.2'
Merge branch 'release/0.2.0'
Merge branch 'release/0.2.1'
Merge branch 'release/0.3.0'
Merge branch 'release/0.4.0'
Merge branch 'release/0.4.1'
Merge branch 'release/0.4.2'
Merge branch 'release/0.4.3'
Merge branch 'release/0.4.4'
Merge branch 'release/1.5.0'
Merge branch 'release/1.0.0'
Merge branch 'release/2.0.0'
Merge branch 'release/2.1.0'
Merge branch 'release/2.1.1'
Merge tag '2.1.1' of https://github.com/arnested/php-extras into develop

Trimmed description and add version to documentation.