Clean up ngcd (redux) (#332)

* slight refactor of ngcd code, moving useful polynomial type out of module
* rename polynomial type avoiding unicode
* version bump

Author: jverzani

Diff for: Project.toml

@@ -2,7 +2,7 @@ name = "Polynomials"
 uuid = "f27b6e38-b328-58d1-80ce-0feddd5e7a45"
 license = "MIT"
 author = "JuliaMath"
-version = "2.0.5"
+version = "2.0.6"
 
 [deps]
 Intervals = "d8418881-c3e1-53bb-8760-2df7ec849ed5"

Diff for: src/Polynomials.jl

@@ -23,6 +23,7 @@ include("polynomials/Polynomial.jl")
 include("polynomials/ImmutablePolynomial.jl")
 include("polynomials/SparsePolynomial.jl")
 include("polynomials/LaurentPolynomial.jl")
+include("polynomials/pi_n_polynomial.jl")
 include("polynomials/ngcd.jl")
 include("polynomials/multroot.jl")