adding a few extra vector operations
added utf8 encoding to the rakefile to handle non ascii character in original authors name, fixes a few problems in new methods
adds cross product and fixes dot product
Version bump to 1.1.0
version bump
couple minor tweaks
Version bump to 1.1.1
patch level version bump
Merge pull request #1 from jspillers/master

Merge in changes from @jspillers
Merged with master

Conflicts:
	Rakefile
	lib/vector2d.rb
	vector2d.gemspec
Merge pull request #2 from elektronaut/merge-jspillers

Finalize merge from @jspillers