QLang -> Qlang
q_lang -> qlang
Add dependency
Fix error mes
Extend function into Ruby
Add example for dydx
Impliment Iq module
Initial Iq spec
Implement api ruby-matrix to q-matrix
Add a example
q_lang -> qlang
Add spec for Iq
Make error hundele better
Improve command line
Implement compiler command
Add spec for func
Implement integral calc
Fix bugs
Add specs for iq
Remove unusefule file