...
moved recurseive config file add into a own function
modified map_get, map_set, map_has to work much faster
added replacementfunctions for target related subjects
...
reworked semver and added return vlaue handling
Merge branch 'devel' of https://github.com/toeb/oo-cmake into devel
added new nav function which is more versatile, fixed some bugs, worked on semver....
added some list functions e.g. list_fold
fixed a failing test for value_descriptor_parse
modified travis build
added clone method for maps,values and references, added cloning option to nav
some housekeeping
fixed a git cwd error (cwd is now created if it does not exist
added expr function
worked on expressions
removed tests which are not applicable anymore (changed api for eval) fixed other tests
replacing expressions with ast expressions
worked on ast
further ast improvements