0.1.0

• ✨ Create a testing plan with plan.
• ✨ Run mutation testing with muttest.
• ✨ Support mutating operators with operator.
• ✨ Control copying project to temporary directory with CopyStrategy:
  • PackageCopyStrategy implemented for copying package files.
• ✨ Control test execution for each mutant with TestStrategy:
  • FullTestStrategy for running all tests for each mutant.
  • FileTestStrategy for running only test files matching mutant files.
• ✨ See test results with MutationReporter.
  • ProgressMutationReporter for printing progress to the console.