v0.8.0

• Breaking changes
  • Require let for variable declaration (#418)
• Syntax
  • feat: Method call with keyword arguments (#464)
  • feat: Default value for method arguments (#469)
  • feat: Add syntax to call a function stored in ivar (#420)
• Library
  • new: Object#gets (#457), Random (#456), File.read, File.write (#450)
• Other
  • feat: Windows support (#449)
  • feat: SHIIKA_ROOT to specify builtin path (#461)
  • bug fixes