FIX: fix errors in test which has been since new marks implemented
FIX DOC: fix srtucture description
FIX: fix old documentation error
TRY: cashing HEAD
FIXUP: fix coding problems
FIX: fix mistakes in caching implementation
FIX: fix output to not write "Apply"
IMPL:  properly guard
IMPL: report fatal error
FIX: fix exit status
GC: remove unneeded anymore code
IMPL PARTIAL: no "-c" for merge (gh-23)
FIX: different name for test
FIX: fix step creation