[WIP] 1.5

There would be a lot of things in 1.5, and this is a Work-in-progress PR for it. It would be filled with all the things that would go into the next minor release.

- Fixes to the algorithm:
    - [x] Fixed the handling of full properties/values.
    - [x] Fixed the colon at the end of abbreviation.
- [ ] New feature! What would it be?