switched readerwriter back to orm
implemented dict-based method for write_and_parse
duplication handling fully implemented
merged from master; need to rewrite readerwriter
temp save point; fixing bug in master
partial implementation with new models; has issues
pipeline runs without errors but needs more work
Merged in document, word, and sentence initialization into pipeline; seems to be working so far
Working duplication check for dependencies

also, minor changes to config, dependency repr, and pipeline
merged from master; has corenlp errors
Removed sentence length check in stringprocessor for now.
Fixed code-breaking default in base.py
DocumentParser unit tests passing
CollectionProcessor tests passing
Model tests now passing
Down to last two exceptions in stringprocessor tests
Added travis button
Updated space_before unit tests
Outlined sentence error handling and added config options
fixed gitignore conflict