wenzelm [Sun, 20 Mar 2011 17:40:45 +0100] rev 42003
replaced File.check by specific File.check_file, File.check_dir;
clarified File.full_path -- include parts of former Thy_Load.get_file;
simplified Thy_Load.check_file -- do not read/digest yet;
merged Thy_Load.check_thy/deps_thy -- always read text and parse header;
clarified Thy_Header.read -- NB: partial Path.explode outside of args parser combinator;
Thy_Info.check_deps etc.: File.read exactly once;