added augmented document frequency
some index changes
custom tfidf implementation
search kind of works
deleted file
added offset, pagesize, weighting
removed redundant old code
some improvements to error handling for weighting; truncation of long fields, and handling of fields that are arrays
facets are indexed
filtering works
faceting works
synced README.md with master
added doc for offset and pagesize
fixed bug if filters are not defined
latest
added more fields tp test dataset, filtering now works for multiple fields and multiple values
Update README.md
Update README.md
removed some debug
added HTML interface