v0.2.0

What's Changed

• Variable assignment by @froth in #31
• Put lox history file at better path and allow for customization by @froth in #32
• Add cargo fmt --check to pipeline by @froth in #33
• Create support for local Environments with shadowing by @froth in #34
• Setting verbose flag prints token stream and AST by @froth in #35
• Add support for blocks by @froth in #36
• Refactored parser to separate files by @froth in #37
• implement if statement by @froth in #38

Full Changelog: v0.1.0...v0.2.0