Merge branch 'release/0.2.3.post2' into develop
0.2.4b1 - kill indent_extra param to log_message
0.2.4b1 - str name of logger as possible val of logger setting; any logging fn (print, logger) can indent; more. TODO: custom ad-hoc deco @used_unused_keyword_args() for use by __init__ of _deco_base and log_calls
0.2.4 - settings_path ("settings_loc") feature complete; revised & proofed full documentation, TODO same for README (did update What's New); updated CHANGES.txt, version #s, etc
setup.py test suite set to 'run_tests.py' as that chdir's to tests directory (now needed)
release 0.2.4
Merge branch 'release/0.2.4'