* Use C++17
* Add test for Pathname of model
* Make Whisper::Context#initialize accept Pathname
* Add shorthand for pre-converted models
* Update documents
* Add headings to API section in README [skip ci]
* Remove unused function
* Don't care about no longer included file
* Cosmetic fix
* Use conditional get when get model files
* Handle objs in Ruby code
* Add task to make Makefile
* Share commont constance in test suites
* Add model-related APIs
* Add Whisper::Model class
* Add tests for Whisper::Model
* Add missing LDFLAG -lstdc++
* Add tests for Whisper.log_set
* Add Whisper.set_log
* Define log level
* Add document on logging
* Add license section to README
* Add document on Whisper::Model
* Fix examples in README
* Add test for Model with GC
* Make dependency on Makefile more accurate
* Fix bug about Whisper::Model and GC