## 1.2.1
- Remove deprecated pgf_print_expr_tuple
- Added an API for cloning expressions/types/literals
## 1.2.0
- Stop `pgf-shell` from being built by default.
- parseToChart also returns the category.
- bugfix in bracketedLinearize.
## 1.1.0
- Remove SG library.
## 1.0.0
- Everything up until 2020-07-11.