modified:   src/analyserwindow_refresh.cpp
	modified:   src/outputwindow.cpp
Minor bug fixes to analyserwindow_refresh.cpp
Changed output of BFs from 3 decimal places to 4 decimal places
Fixed crash bug on cancelling Add Expt. Spectrum. Added spectrum index tags to plot window alongside filenames.
Removed some debug output and changed version number to 0.6.5