0.013 2025-05-18
  [Document Improvement]
    * Improve docs.
    
0.012 2025-01-25
  [Requirement Changes]
    * Require SPVM 0.990042.
  [Test Improvement]
    * Call Fn#destroy_runtime_permanent_vars method in the end of tests.
    
0.011001 2023-12-05
  [Requirement Changes]
    * Require SPVM::Sys 0.508.
0.011 2023-05-29
  [Prerequirement Changes]
    SPVM 0.986+ is required.
  [License Change]
    * The license is changed to MIT License.
  [New Features]
    * The version string can be got.
0.01 2023-02-15
  [Changes]
    * First release.