Rawquant

-Metrics files are now tab-delimited

-Added retention time to MGF file header

-Fixed a bug which caused issues when there was an isolation window offset

-RawQuant migrated to using RawFileReader instead of MSFileReader

Changes not tracked prior to this version

the data-dependent scan. Not ideal, so future improvement might be recalculating the precursor mass.
[(issue 7)](https://github.com/kevinkovalchik/RawQuant/issues/7)

-Added analyzer types for each MS order to the metrics file (e.g. FTMS, ITMS)
[(issue 9)](https://github.com/kevinkovalchik/RawQuant/issues/9)

-Improved precursor peak width measurement
[(issue 6)](https://github.com/kevinkovalchik/RawQuant/issues/6)