Add switch to command-line help
min is now either 0 or 30 days and max is not max as that is max int
added historical and date range
Added section about options
Added better string separator for parsing revision summaries.
Added ETA back into bes_metrics.rb
Added ability to provide exclusion list to run_ecomp.sh script
Made run_ecomp.sh more verbose regarding errors
Added new objective-C parser and added objective-c batch process support. Fixed issue where spaces in file names would break ecomp process
Made bes_metrics.rb less noisy and added time taken for single revision
Fixed exclusion algorithm. Previously used regexp, now uses file globs
Minor improvements to execution speed
Refactored list method and added json representation of project list