clarify flux units
change doslit parameter sets to sparams to fix a bug where they were not set correctly
add quicklook option to extract1D (passed to doslit)
change iraf.calibrate.mode so I don't have to hit enter to accept the input/output files I've already specified
avoid instrument translation file problem in ccdproc: http://iraf.net/forum/viewtopic.php?showtopic=1467939
Add dispersion-calculating functions.

calculate_dispersions returns the central wavelength and dispersion, and has
been checked against the online grating calculator.

check_gratings_angles updates the crval and cdelt parameters in det_pars
for nonstandard gratings and angles.
call check_gratings_angles automatically; update README
need to call setinst before any runs of ccdproc
add modified version of doslit with improved prompting behavior--see http://iraf.net/forum/viewtopic.php?showtopic=123774
Add batch_process command to dbsp.py

Add license to dbsp.py and include IRAF license in doslit.
switch to markdown README and increment version number