Release 1.0.6
Major update: Started exposing Signal shortkeys in output
Dictionaries: Corrected typo in name of Substitution dictionary
LangUtils: Addressed an edge case when text contains too many "neutral" characters
FloatVector, StringVector: Added a data element for Signal shortkeys, added handling to emotion arithmetic
ContentIndexSummary: added a deep "copy" operation
HashUtils: Added hash function to calculate Signal shortkey