Merge pull request #37 from gogotanaka/develop

Impliment syntax suger like "d/dx cos(x)"
Merge pull request #38 from gogotanaka/develop

[Ver:0.0.1414213]
Update dydx
v0.0.14142135
Remove dydx form Gemfile
Update README.md
Refactoring func lexer
Replace wrapper lexer token
We have 3 type function
We have 3 kind of tokens
Decied to not allow nested object
Implement transposed matrix
Fix conf
Fix Fork it link
Merge pull request #39 from hanachin/patch-1

Fix Fork it link
Fix some bugs
Add specs and detail refactoring
Merge branch 'master' of https://github.com/gogotanaka/Q
Merge pull request #40 from gogotanaka/refactoring_token

Refactoring token