Reword a sentence in regression test notebook
Add default ich=0 to get_ph_mask() and get_ph_times()
Add more ph selections to get_ph_mask()
Fix time_max() when using ph_times_t
Rewrite load_spc() to use a much simpler numpy interface
Add loader functions for nsALEX data
Add ich=0 as default value on ph. selection methods
Add very simple nsALEX notebook
Docs: fitting functions added to the docs. Closes #9.
Merge branch 'nsalex'