allow peptide report generation also w/o a protein-info defined
reports: cache directory now set to "cache" by default
better error messages
more information on search engine scores
added function .abbrev
simplified create_reports.R: no double loading of properties.R anymore
updated to 1.9.3.1
more verbose error message
allow combn.matrix versus.class and versus.channels without vs argument
allow to skip modif-conversion with -no-modiconv

also, --lightXML is set as default now
set default combn.method to "versus.channel"
better explanation for modifconv.csv
various report improvements
update to version 1.9.3.2
fix of vertical dots in protein group table