• defined and implemented a Text Referencing API derived from RFC5147
  * implemented line support (can be disabled with --no-lines)
  * implemented validation checks via length or md5
• implemented directory support, allowing arbitrary nesting to organize files any way the user wants
• make default extension optional to operate in environments with multiple file extensions
• always keep hidden and index files out of the file listing
• bugfix: fix freeze when loading index fails
• bugfix: do not accept all extensions

Breaking changes

• The API has breaking changes since v0.1.0