Use Int instead of Integer to be consistent in CreditCardNumberValidator
Merge pull request #6 from tobiasgwaaler/fikse_feil_i_creditcardvalidator

Use Int instead of Integer to be consistent in CreditCardNumberValidator
remove testdata.txt
Merge branch 'master' of github.com:tobiasgwaaler/hands-on-haskell
Add generic binary search tree task
Merge branch 'master' into solutions

Conflicts:
	lessonC/CreditCardNumberValidator.hs
	lessonC/Vigenere.hs