task 03: fix typos
Merge pull request #10 from tochev/task_03_fixes

task 03: fix typos
Add solution and full tests for task 02
Minor fix for invalid prizes' location in sample test and one more example
Add challenge 03 - readme and sample test.
Add link to the sample test of challenge 03 in its description.
Add title to the description of challenge 03.
Fix the formatting of the sample test of challenge 03.
Merge pull request #11 from filareta/invalid-input

Minor fix for invalid prizes' location in sample test and one more examp...
Challenge 03: Fix typos
Merge pull request #12 from NikolayGenov/challenge-03-fix-typos

Challenge 03: Fix typos
challenge 04: ranges
task 03: add tests and solution
task 03: fix tests
Remove unnecessary testing function, make checking not dependent.
Now it can work with ClojureScript
challenge 04: improve README and tests
Merge pull request #13 from NikolayGenov/fix-task-03

Remove unnecessary testing function, modify checking for a value.
challenges 04: clarify conditions
challenge 04: tweak
challenge 04: tweak