simple_preprocessing step remove
String Utils fixes
remove_space; eq_spaces; ne_spaces; blank update
str_to_list
blank -> is_blank
is_blank use
ne_spaces use
--detailed option remove
str_to_list use
normalize use
tempfile template fix
Merge branch 'devel' into merge-refactoring

Conflicts:
	lib/Local/String/Utils.pm
contains_specs as function
Merge branch 'devel' into merge-refactoring

Conflicts:
	merge
Transformation: export additional functions
merge: restore functions
Merge branch 'devel' into merge-refactoring

Conflicts:
	merge
Transformation: remove && remove_dup
merge: remove && remove_dup
partial commit: not checked; buggy one;