Strengthened release method
Strengthened dock method
Add Garage class (and ability to fix bike as they're docked)
Add Van class and capacity
Add Van class and the ability to load multiple broken bikes
Add van load/unload functionality
Add ability to unload bikes from the van
added capacity check for unloading the van
Remove all the named arguments stuff. Check that capacity is a positive number
Merge pull request #1 from NotTheUsual/master

Day 2 stuff