Added comment clarifying why a "break" is missing in a "switch"

Adjusted the path for appdata file

Updated to version 2.99.3

Updated to version 0.99.2

Fixed the XML for fbzx.appdata

Now allows to run in TURBO mode when the tape is playing, and return …

…to NORMAL mode when the tape is paused

Moved spk_ay to its own class

Updated documentation and version number

Merge branch 'devel'