* Initial implementation of new textx parser for template
* Implemented parser as singleton
* Moved grammar to .tx file
* Added filter templates
* Added filter templates
* Added tests for nested templates
* Added tests for filter+path_sep
* Added tests for filter+path_sep
* Added punctuation templates
* Added hook for --replace-keywords
* Updated docs for phototemplate
* Updated docs for phototemplate
* Updated tests data
* Updated tests data
* Updated docs for phototemplate
* Version bump
* Updated CLI help
* Fixed template processing for boolean, default
