added check that HOME Environmental Var exists before fixing permissions there
fixed bug in setup.py
add test for is-this-linux? in system_settings()
add _sys.xafsGroup and _xafs.set_xafsGroup() as default group for outputs of XAFS functions
convert all xafs functions to use set_xafsGroup so that the output group has a default of 'last group used for outputs by an XAFS function'
correctly calling pre_edge() without return vals
typo passing _larch reference to set_xafsGroup()
cleanup
moved estimate_noise() function to its own file
clean up Noise Estimate examples for new estimate_noise() function
even more safety checks on setting permissions of Newville/.larch folder
symbol table: small clean-up
code cleanups
fixed example usage of pre_edge() - no longer returns values
fixed example usage of pre_edge() - no longer returns values
fixed example usage of pre_edge() - no longer returns values
updated .gitignore
new version of xafs example figure
doc feffit outputs slightly changed
updated doc for pre_edge()