Move test scripts to their own directory outside of module installation and make them
executable; remove shebang lines from module sources.
change module name to lowercase
change module name to lowercase in docs
remove wildcard imports; fix import of radiation module
put seconds per day into constants
further import fix
convert names to lowercase
more graceful dealing with infinity
convert tabs to spaces
remove trailing whitespace
symbolic names for argument defaults
convert names to lowercase
symbolic constant for Earth axis inclination; get rid of GetDayOfYear.
get rid of date_with_decimal_hour
get_sunrise_sunset now gets zone information from passed datetime
more replacement of UTC datetimes with general datetimes
more replacement of UTC datetimes with general datetimes
replace last remaining UTC datetimes with general datetimes
convert names to lowercase
convert names to lowercase