Refactoring and cleanup of the code parts that are using Clipper, updated Clipper to version 5.1.6.
Merge branch 'master' into refactoring
Update the bridge code to use the refactored clipper functions.
Fix the skirt generation (refactor bug)
Refactored the headers files into cpp files.
Merge branch 'master' into refactoring
Fix 45min print time bug.
Change LONG_LONG_ into LLONG_ as LONG_LONG defines are depricated.
Change how the fan is handled on lower layers.
Fix "everywhere" Z support distance.