added exercises
ignoring the .gitattributes file
updated exercises
Davor's solutions to the fixed point challenge
Merge pull request #47 from adletaw/master

Alathea's functionals exercises
Merge pull request #48 from cubranic/Davor_functionals

Davor's solutions to the fixed point challenge
answers to last exercise (partial)
Merge branch 'master' of github.com:aammd/UBCadv-r