0.5.0 (2019-11-06) - Hacktoberfest Release

Feature enhancements:

• FEATURE #119:
  Introduce realm struct to hold realm context and global object.
• FEATURE #89:
  Implement exponentiation operator. Thanks @arbroween
• FEATURE #47:
  Add tests for comments in source code. Thanks @Emanon42
• FEATURE #137:
  Use Monaco theme for the demo page
• FEATURE #114:
  String.match(regExp) is implemented (@muskuloes)
• FEATURE #115:
  String.matchAll(regExp) is implemented (@bojan88)
• FEATURE #163:
  Implement Array.prototype.every() (@letmutx)
• FEATURE #165:
  Implement Array.prototype.find() (@letmutx)
• FEATURE #166:
  Implement Array.prototype.findIndex() (@felipe-fg)
• FEATURE #39:
  Implement block scoped variable declarations (@barskern)
• FEATURE #161:
  Enable obj[key] = value syntax.
• FEATURE #179:
  Implement the Tilde operator (@letmutx)
• FEATURE #189:
  Implement Array.prototype.includes (incl tests) (@simonbrahan)
• FEATURE #180:
  Implement Array.prototype.slice (@muskuloes @letmutx)
• FEATURE #152:
  Short Function syntax (no arguments)
• FEATURE #164:
  Implement Array.prototype.fill() (@bojan88)
• Array tests: Tests implemented for shift, unshift and reverse, pop and push (@muskuloes)
• Demo page has been improved, new font plus change on input. Thanks @WofWca
• FEATURE #182:
  Implement some Number prototype methods (incl tests) (@pop)
• FEATURE #34:
  Number object and Constructore are implemented (including methods) (@pop)
• FEATURE #194:
  Array.prototype.map (@IovoslavIovchev)
• FEATURE #90:
  Symbol Implementation (@jasonwilliams)

Bug fixes:

• BUG #113:
  Unassigned variables have default of undefined (@pop)
• BUG #61:
  Clippy warnings/errors fixed (@Korpen)
• BUG #147:
  Updated object global
• BUG #154:
  Correctly handle all whitespaces within the lexer
• Tidy up Globals being added to Global Object. Thanks @DomParfitt

0.4.0 (2019-09-25)

v0.4.0 brings quite a big release. The biggest feature to land is the support of regular expressions.
Functions now have the arguments object supported and we have a debugging section in the docs.

Feature enhancements:

• FEATURE #6:
  Support for regex literals. (Big thanks @999eagle)
• FEATURE #13:
  toLowerCase, toUpperCase, substring, substr and valueOf implemented (thanks @arbroween)
• Support for arguments object within functions
• StringData instead of PrimitieData to match spec
• Native function signatures changed, operations added to match spec
• Primitives can now be boxed/unboxed when methods are ran on them
• Spelling edits (thanks @someguynamedmatt)
• Ability to set global values before interpreter starts (thanks @999eagle)
• Assign operators implemented (thanks @oll3)

Bug fixes:

• BUG #57:
  Fixed issue with stackoverflow by implementing early returns.
• Allow to re-assign value to an existing binding. (Thanks @oll3)

Major updates + Object refactor + new console.log formats for types

• UnexpectedKeyword(Else) bug fixed jasonwilliams#38
• Contributing guide added
• Ability to specify file - Thanks @CallumQuick
• Travis fixes
• Parser Tests - Thanks @Razican
• Migrate to dyn traits - Thanks @Atul9
• Added implementations for Array.prototype: concat(), push(), pop() and join() - Thanks @CallumQuick
• Some clippy Issues fixed - Thanks @Razican
• Objects have been refactored to use structs which are more closely aligned with the specification
• Benchmarks have been added
• String and Array specific console.log formats - Thanks @CallumQuick
• isPropertyKey implementation added - Thanks @KrisChambers
• Unit Tests for Array and Strings - Thanks @GalAster
• typo fix - Thanks @palerdot
• dist cleanup, thanks @zgotsch

String methods added + code cleanup and fixes

Thanks to @CallumQuick we have some more string methods implemented!

• String.prototype.concat ( ...args )
• String.prototype.endsWith ( searchString [ , endPosition ] )
• String.prototype.includes ( searchString [ , position ] )
• String.prototype.indexOf ( searchString [ , position ] )
• String.prototype.lastIndexOf ( searchString [ , position ] )
• String.prototype.repeat ( count )
• String.prototype.slice ( start, end )
• String.prototype.startsWith ( searchString [ , position ] )

Thanks to @lennartbuit we have
trim/trimStart/trimEnd added to the string prototype

Bug fixes + better support for decimal digits from @topaxi

code tidyup from @Atul9

Milestone reached

• Tests on the lexer, conforms with puncturators and keywords from TC39 specification.
• wasm-bindgen added with working demo in Web Assembly
• Snapshot of boa In a working state