Merge branch 'release/0.5.0' into develop
Merge branch 'hotfix/0.5.1' into develop
Merge branch 'hotfix/0.5.2' into develop
Merge branch 'hotfix/0.5.3' into develop
Merge branch 'hotfix/0.5.4' into develop
add .idea to .gitignore
Merge branch 'develop'