Adapt the admin CSS to the new WP 3.8 theming
Lighter background in code blocks
Create two compatibility options to avoid shortcode naming collisions
Change bg color of code blocks in the admin
Simplifiy the validation of boolean parameters
Simplifiy the validation of boolean parameters
Adapt the memo/help pages to account to the fen/fen_compat and pgn/pgn_compat options
Description of the compatibility options in the option page
Update translation
Implement the shortcode compat mode in the frontend
Update the copyright notice
Change version to 2.1