tidytext 0.1.3

• get_sentiments now works regardless of whether tidytext has been loaded or not (#50).
• unnest_tokens now supports data.table objects (#37).
• Fixed to_lower parameter in unnest_tokens to work properly for all tokenizing options.
• Updated tidy.corpus, glance.corpus, tests, and vignette for changes to quanteda API
• Removed the deprecated pair_count function, which is now in the in-development widyr package
• Added tidiers for LDA models from the mallet package
• Added the Loughran and McDonald dictionary of sentiment words specific to financial reports
• unnest_tokens preserves custom attributes of data frames and data.tables