More work done on making the xml data extractions work only on zippers.
Minor cleanup.
Merge develop branch to be up to par with the major rework that happened.
fix parenthesis messup
Merge branch 'master' into Feature/properXML-API
Add penalty sum to index lookup.
dependency upgrade
Fix wrong treading macro.
Adds extractors for different page units.
Merge branch 'loc-refactoring' into develop
Parses abbyy xml with laser.