Vala 0.52.8
===========
 * Various improvements and bug fixes:
  - codegen:
    + Use CCodeConstant for member access of constant symbol
    + Add and use CCodeConstantIdentifier for accessing constants
    + Check required length of enum type name for GType support
    + Add missing check while overriding virtual async interface methods [#852]
    + Drop inconsistent space for ObjectType parameters
    + Accept CCode.type attribute on parameters [#876]
    + Fix CCodeUnaryExpression.write() for PREFIX_INCREMENT/PREFIX_DECREMENT
  - vala:
    + Improve error message for invalid handler of dynamic signal
    + Using SignalHandler.disconnect() is required for dynamic signals
    + Check for unavailable value-type of variable initializer [#1253]
    + Add [Profile] as known attribute for methods
    + Report error on missing gio-2.0 package for async constructors
    + Fix signals with generic return
    + parser: Split out Parser.parse_switch_section_statement()
    + parser: Better handling of misplaced switch sections [#1246]
  - genie:
    + Amend text of indent and dedent for error messages [#497]
    + Accept INTERR token before type arguments when parsing type [#1245]
    + Properly handle plain "get" or "set" property accessors [#1248]
    + "exception" is the expected string for TokenType.ERRORDOMAIN
    + Accept accessibility/async modifiers on "construct" creation methods [#1235]
  - girparser: Accept "sealed" for transformed records and compact classes
  - gtkmodule: Improve error message for invalid signal element in ui-file
  - tests: Rename colliding test cases to avoid conflicts

 * Bindings:
  - alsa: Add more API and fix a few things
  - gnome-desktop-3.0: Some parameter fixes
  - gstreamer: Cherry-pick bindings fixes from 0.56
  - gstreamer-base-1.0: Some parameter fixes [#1255]
  - pango: Cherry-pick bindings fixes from 0.56