Added Complex Functionality

1.1.0

Update linear1.gemspec

1.0.0

Added support for rational numbers

1.0.0.pre: Unofficial RubyGems release of `linear1`

* Graph scaling a little off; each 'square' in the grid is 2x1 instead of 1x1
* ArithmeticSequence is untested
* System is not functional

0.0.1

Fixed faulty requirement