change fit_position signature, paralactic_angle()
hopefully fix convolution offset problem
analytic gradient now WORKING!
clean up README
add info on running tests
add SN position to model
remove spaxel_size from data structures
move data_avg to model, subtract skyguess
Merged, resolved conflicts
clean up fit functions (some renaming)
update docs for renamed function
add rows to plot_timeseries
Merge remote branch 'kbarbary/master'
Modified ADR to match extract_star.py