Add LineReader for reading lines including terminators.
Convert existing code to use LineReader instead of io.Source.
Limit number of docs in DocSplitter CLI.
Merge branch 'master' into fastlink
Merge pull request #20 from rbart/fastlink

FIx line terminator / character offset tracking issue.
Made Rob's suggested changes to reuse already chunked sentences, nice idea Rob
Updated csv files in resources
Merge pull request #21 from jgilme1/refactorSemanticFilters

SemanticFilters speed up