extract frame check into function, usable by other modules

configreader: sphinx rst file and doc tweaks

add test module for configreader

clean up version fallback stuff from configreader

also remove junk (testing) main section

add convenient Makefile and MANIFEST.in to make sdist work

fix sphinx warning

convert option names with dashes to underscores when used a kwargs

add bare bones start of sphinx docs

commander: more docstrings

verify that exact 'name within name' is still unambiguous

test commander passes thru deeper TypeErrors correctly

commander: specific error for mismatched args

commander: test main dispatch and errors

commander: add main(...) function and some docstrings

commander: more tests for help behavior

commander: test and fix fancy help handling

testing commands launching and help

commander: implement the 'add' CommandTable decorator

commander: add tests and fix exposed bugs

create new commander modules for commands, begin tests