add test cases for mode argument
correct and extend filterPeaks tests
matrix based rewrite of filterPeaks; add mode argument
test for unequal length of l and labels
update filterPeaks man page to respect new mode argument
add example output
add mergeWhitelists argument to filterPeaks; affects #26
rewrite/update details section
replace warning about too large minFrequency/minNumber by warning about empty whitelists
Merge branch 'master'
1.9 release
Merge branch '1.9'