grouping VS button
bonus win/loses fix
ui > ServerMath refactoring
test sequence fix
tutorial arrow and VS visibility
fix #46 : up stats until level 100
#44 bug fix

- better login session creation
- ui sizes force for brutes infos
- sessionDestroy method
- sessionDestroy on logout & better logout sending
#44 bug fix 2

- first brutes loads moved from fight windows initialization to login
task
- cache cleaning performed during login task instead after the creation
of the session
- methods to choice threaded or not brutes loads operations
help arrow #35
Merge remote-tracking branch 'origin/master' into MySQL