accept custom colors as buggle color
integrate the new exercises to the i18n infrastructure
add this answer world now that BuggleWorld can read it
document the changes of the last days
Fix error messages when an exception is raised

- java exception are not indicated as scripting ones
- all related messages are marked as translatable
two more exercises
refresh these cache files
intercept and explain one more python error
oops, this was not supposed to be hidden
CocktailSort3: align the python entity to the java one
improve the story justifying the exercise
typo
fix HTML markup
typo
typo
rerun ant i18n-update, and fix a bug in fr.po
add a bunch of new exercises to the welcome lesson
pythonize some of the new exercises
update version number
document last changes