various changes
Merge branch 'development' of github.com:efcs/elib into development
fixed wrong return value in create directories
make directories tests
create directories test
more create directories tests
remove all tests
added actual failure to status
add symlink_stat failure test
removed unhitable lines of code
remove unneeded posix wrappers
start copy test
more coverage
more coverage
update copy
rework python helper
copy tests
more copy tests
more tests
fixed empty copy_file issues