Fixed 'exports' to 'export'
New vm_stock

Not sure if thats what you expected, please review it:)
Functionality of VM_STOCK on List
First C# project
tests
first tests
vm_stock, vm_case, vm_coincase ready as gen_servers
vm_coin almost working, todo calculating change
Fixed server stop
vm_coin with working change algorithm

to removing the returned coins from coin stock
working vm_coin
Working DB
New files for working DB
First fully working machine engine
Working GUI

I am not sure which files should be committed, so I commit all of them.
You can remove them later ;-)
Merge branch 'magda'
Merge branch 'pawel' of https://github.com/haljin/robust into pawel
Merge remote-tracking branch 'origin/master' into magda
Added records
New get_change, check_change

Not tested