Merge branch 'release/0.1.0'
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/0.5.0'
Merge branch 'release/0.5.1'
Merge branch 'release/0.5.2'
Merge branch 'release/0.5.3'
Merge branch 'release/0.5.4'
Merge branch 'release/0.5.5'
Merge branch 'develop'
updated API documentation