anagram
Merge branch 'master' into perl5
triangle
add Wordy
left associative
first iteration of queen
multiple entries in one case
exception if they are in the same position
more argument checking that is not tested yet
to_string
board test cases
first test case for can_attack
incorporate all the test cases from Ruby
two more special cases
add queen to curriculum
more curriculum
prime-factors added
add linked list
add raindrops
rename Anagram.pm to Example.pm