Updated the ideal block number.
Updated the while blocks to remove the dropdown when there is only one option. Also, changed the while current spot is not clear to have images.
Added a level before Level 11 that just has mound.
Changed mounds to pile.
Changed the give blocks in Karel 2 to be uneditable and undeletable.
Speeded up certain levels that have a lot of steps.
Merge pull request #8 from nanan9177/mooc

Updated Karel Based on the Feedback