Removed chardet from pipeline as it was causing errors with some imports.
Topics Over Time visualization in a stable state - Can select individual and sets of topics
Fixed colors, rebased branch with changes to refactoring, fixed html template because it was overwritten
Added a lot of features to the topic over time viz. Attempting to resolve problems with other visualizations as well.
Nearly finished polishing new info and control sliding tabs
Rebasing branch 'topicsovertime' of https://github.com/BYU-NLP-Lab/topicalguide with branch 'refactoring'