Per: http://www.bioperl.org/wiki/Bioperl_Best_Practices and
http://modernperlbooks.com/books/modern_perl/chapter_11.html, "new Class"
is to avoided. "Class->new()" should be used instead because bareword
indirect invocations can lead to subtle errors
typo, removed ->
Merge pull request #53 from bvaisvil/master

replace "new Class" with "Class->new()" per Perl Best Practices.