Solved first tuenti problem and added templates to work easier with that type of problems
Fixed small typo.
Finished segon tuenti qualification round ex + Changed fab to apply tests.
Finished gambler_cup, third tuenti challenge.
Improved tuenti template to take custom interpreter and to take test input from a file. Solver tuenti_challenge_4 4th problem.
Solved 5th tuenti ex.
Added source code for exercice 6 (skipped) and 7 of tuenti_challenge_4
Solved exercise 8.
Solved 9th exercise tuenti_challenge_4
Added final part of tuenti-4