Spectra-lexer

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* Total refactoring of the framework with new HTTP support
* SVG board diagrams are now compatible with major web browsers
* Added linked strokes and simple briefs to the board diagram
* Added rule selection in text graph by mouse click
* Added manual translation entry in the graph title bar
* Object tree and console can now auto-import missing modules
* Object tree can now inspect the last exception traceback

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* Near complete refactoring of the framework
* Engine commands are now available directly in the console as functions
* Added miscellaneous features to the object tree dialog
* Added more rules to the board diagram

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* Added steno order inversions to the board diagram
* Exceptions no longer crash the program if stderr is unavailable
* Improved SVG rendering code
* Improved object tree dialog appearance and capabilities

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* Added user-configurable file for other steno systems/languages
* Added Python object tree dialog for debugging
* Improved lexer performance moderately

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* Dramatically improved index load time and memory usage at a slight cost on lookups
* Moved interactive console tool into a separate dialog window

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* Added index support and search for example translations by rule
* Added multi-threading to stop GUI from hanging at startup
* Added better support for parallel processing on large operations