last, penultimate, nth, length, reverse and isPalindrome working
Flatten passing tests
P11 && P12 ... can't stop now! ... well I will :D
Adding compress
Pack and encode
Solved P11 to P18 some with scala built in functions
Solved P18 and P19
Added comment re map(f).flatMap(identity) being equal to flatMap(f)
refactor: replaced xs.map(f).flatMap(identity) with xs.flatMap(f)
Solved P20
moving arround MergeSort
Solved P19 and P20 with splitAt scala function
Merge pull request #16 from akustik/master

First round for problems from P10 to P19
Merge pull request #17 from akustik/master

Solved missing P20
Copy+paste my already done solutions from 11 to 20 :)
Merge pull request #18 from padilo/p11_to_p20

Copy+paste my already done solutions from 11 to 20 :)
Merge pull request #19 from akustik/master

Use play helloworld app as a bootstrap for the flights RESTFul app
Merge branch 'master' of https://github.com/scala-developers-bcn/challenges
Problems from 1 to 20
some problems for p10-20 ... still missing some of them