2.0.0: AST API

• Implemented use function and use const - @thekid
• Fixed issue #21: Comments are not escaped - @thekid
• Project AST API:
  • Merged PR #22: Extract AST (to https://github.com/xp-framework/ast)
  • Index annotations by name
  • Split new for static and anonymous types
  • Simplified parsing and emitting loops and if/else constructs
  • Renamed Node::$arity to Node::$kind
  • Merged PR #20: Refactor signature
  • Merged PR #19: Refactor value arrays to specialized types
    (@thekid)

1.4.0: Spread operator in arrays & maps

• Merged PR #18: Allow using unpack operator inside array literals
  (@thekid)
• Added option to specify target version to xp compile - @thekid
• Fixed isse #17: Comments missing from generated code - @thekid

Hack language

• Made it possible to use <?hh as opening tag, too. This way, we are
  able to parse Hack language files.
  (@thekid)

1.2.1: Ambiguity resolution fix

• Changed ambiguity resolution between casts, braced expressions and
  lambda to be far more robust
  (@thekid)

1.2.0: Import aliases

• Added support for import aliases (use Type as Alias) - @thekid
• Fixed issue #16: Enums broken - @thekid

1.1.2: Interop fix with xp-forge/partial

• Fixed issue #15: Interop with xp-forge/partial broken - @thekid

1.1.1: Map initialization fix

• Fixed map initialization with keys consisting of complex expressions
  (@thekid)

1.1.0: Traits

• Implemented trait usage, including aliasing via as. See issue #14
  (@thekid)

1.0.0: Parameter annotations

• Indexed type members by name; implementing feature suggested in #10
  (@thekid)
• Heads up: Implemented syntax for parameter annotations as stated
  in issue #1 - alongside the parameter; no longer in its "targeted" form
  $param: inject as in xp-framework/rfc#218
  (@thekid)
• Added support for keywords as methods in PHP 5.6 - @thekid
• Implemented xp-framework/rfc#326: Cast and nullable types - @thekid
• Added support for casting value and array types - @thekid

0.9.1: Promoted arguments fix

• Fixed promoted argument types not being recorded - @thekid