Improved sorting of sequence diagrams

• new algorithm for sorting sequence diagrams (improved sorting)
• improved and fixed formatting (formatting several times yields same output)

small fixes + better support of outgoing and incoming calls

• support ...

New reformat command

• all directions are recalculated
• some selection fixes

Improved support for class and component diagrams

• Improvements when detecting the PlantUML diagram type
• Better support for nested class and component diagrams
• bugfixes

Support namespaces

v0.4.1

bump version to 0.4.1

Support class diagrams

New support for class diagrams

still no namespaces support

Improved support for packages

v0.3.1

bump version to 0.3.1

Support for packages

• parse packages
• reformat packages
• reformat component definitions and usage

Bugfix release

Linting done and special use cases with arrows + arrow directions added

Bugfix release

small fixes done
brought coverage to 100%