- modports can use complex expressions
- update interface_infer test for consistency across simulators
- fix interface inlining of implicitly typed data declarations

- fix wildcard imports shadowing other items
- fix explicit imports depending on other items
- fix example export in package.sv

- handle cases where wildcard equality short-circuits to 0
- move checking for extraneous X/Z to wildcard conversion
- add exhaustive test coverage

- removed repetition in dimension query conversion
- removed repetition in package item nesting conversion
- packing item nesting conversion short circuit
- param type conversion doesn't bother renaming non-param type instances
- implement showsPrec for certain expression cases

- most binary operators
- ternary expressions
- bitwise negation
- number literals
- size casts
- concat and repeat expressions

- single bit localparams retain explicit range
- fix $bits on unsized literals
- use Implicit over Maybe for underlying type