0.1a1pre:
    * :playerprev and :playernext and equivalent mappings now accept a count.
    * :displaypane arguments changed to "leftservice", "bottomservice",
      "bottomcontent" or "rightsidebar"
    * asciidoc is no longer required to build Melodactyl
    * The help system is newly modularized
    * add :silent
    * add $MY_MELODACTYLRC
    * add ' and " local marks
    * add w and W Normal mode mappings for symmetry with o/O and t/T
    * add :messclear
    * add 'maxitems'
    * :dialog {subscribe|newsmartplaylist}
    * add :displaypane and :dpclose
    * rename :filter to :queue and :Filter to :filter
    * add 'repeat' and 'shuffle'
    * add 'jsdebugger' option - switch on/off javascript debugger service
    * add "addons", "downloads", "extoptions" and "help" to the 'activate' option.
