remove unused imports
remove unused imports
unnecessary boxing
simplify 'if' in test
call to array with defined size
Merge pull request #15 from otaviojava/unused-imports

Unused imports
Merge pull request #16 from otaviojava/unnecessar-boxing

unnecessary boxing
Merge pull request #17 from otaviojava/simplify-if

simplify 'if' in test
Merge pull request #18 from otaviojava/performance-array

call to array with defined size. I agree, that was an instance of a lazy developer ;-)
Fixed some inconsistencies in the spec.
Added additional tests and fixes.