Added Task 4 pack

Added the first version of the Task 4 pack (03.10.2012)
Added Task 5 pack

Added the first version of the Task 5 pack (17.10.2012)
Added Task 6 pack

Added the first version of the Task 6 pack (24.10.12)
Added Task 7 pack

Added the first version of the Task 7 pack (31.10.2012)
Added Task 8 pack

Added the first version of the Task 8 pack (07.11.2012)
Added Task 9 pack

Added the first version of the Task 9 pack (14.11.2012)
Added Task 10 pack

Added the first version of the Task 10 pack (28.11.12)
Added Task 11 pack

Added the first version of the Task 11 pack (05.12.2012)