Added some quick fixes
Implemented ticket #671 "Create an optional line length indicator"
Implemented ticket #670 "Enable tooltips for the command line"
Enabled UTC timestamps and added some small fixes
Fixed issue #648 "Dependency graph: clusters are not working correctly" Improved the coloring and layout of the generated graph
Fixed issue #648 "Dependency graph: clusters are not working correctly"
Fixed issue #649 "'assert' evaluates the wrong part of the expression"
Implemented ticket #656 Added log information to the GUI exception handler
Implemented ticket #656 "Change the internal logging mechanism"
Implemented ticket #662 "Add a 90 degrees optimisation to rotation algorithms"