Removed lock as per recommendations
Explicitly including 'date', as it seems to not always be included as a standard library.
Issue #110: column width
Issue #110: Further column width fixes
Issue #110: when changing column style, ensure that width is set.
Version bump to 2.5.4
Issue #110 release
update rspec should syntax to expect
Merge pull request #111 from adamjonas/master

update rspec should syntax to expect
Issue #110: removing unsafe defaults from method signatures
Version bump to 2.5.5
Regenerate gemspec for version 2.5.5
Merge branch 'master' of github.com:weshatheleopard/rubyXL into comment_support