Added #asum for shape == [1]
Moved packable to gemspec
Merge pull request #296 from andrewcsmith/issue-289-asum-undefined

Added #asum for shape == [1]
Merge pull request #295 from andrewcsmith/move-package-to-gemspec

Moved packable to gemspec
Preparing for beta release
Version bump
Making a few last final changes before deploying
Few more final changes before beta push