cleanups; dont allow to load a score twice
increase default size of load score dialog
increase recent score list size to 20
dont show already loaded files in recent files list
fix #38341
update mtest guitarpro high-pitch test
make file dialogs persistent
make links clickable in message boxes
misc. cleanups
use mscz format for My_First_Score
show thumbnails for all files
cleanups for shortcuts
fix mtest
add convenient function to get 'a' title for the score...
add client side support for save score online
fix mtests (2)
fix kOAuth build on windows, add SSL support in windows install, add openssl headers
add explode and implode functions