4.0.5

- Added epar_imXam.py to files that are put into anaconda bin, allowing one
to directly edit the imXam_param.dat using vim.

- Added imXam_param.default.dat just as a file in case imXam_param.dat gets
too messed up 

4.0.6

- added improved documentation to README

- now T key allows user to enter a number like 1.5e4 (previously, could
only enter integers)

- changed plot style for 'c' and 'l' keys in Plotly.
