I fixed a few bugs and made a minor feature enhancement.
Bug fixes
Word Count
Word Count Filter was not functioning
Collocation
Collocation statistics were not calculated accurately when more than one keyword is on the result
Feature Enhancement
Tag Filter
Section Handlind has an option to specify attribute name and value
Collocation
You can apply stop words when searching only with ? (a wildcard character for one or more latters) in Word Search mode