v0.2.0-beta-1

• Allow relative paths to executables to be used with the run helper
• Fix assertion method not found error when asserting against an empty value
• Improved the performance and safety of the way tests are parsed and run
• Add support for @setup and @teardown methods in test files, which are run before and after each test in the file
• Adds --fail-fast CLI option, which stops execution immediately after the first failure