Method.exec-method: added Method class and a method to resolve and use prototypes on method calls
various changes to support work on method prototypes...
added tob/.get-type script to test tob/get-type shell function
worked on some test scripts in t/, trying to improve testing framework
added Program/Shell.test-functions to run all or some tests
add test functions in tob/ for parse-query and resolve-library
edited tests in t/, though some are just skipped