v0.4.0

MultivariatePolynomials v0.4.0

Diff since v0.3.18

Closed issues:

• should promote_type ever error? (#170)
• gcd((d + g*d), (d^2)) fails (#173)
• No method for div(::Poly, ::Integer) (#179)

Merged pull requests:

• Update det.jl (#168) (@Timeroot)
• Narrow convert methods to reduce invalidations (#172) (@timholy)
• Fix deflection of monomial (#174) (@blegat)
• Fix gcd with zero (#177) (@blegat)
• Implement univariate extended gcd (#178) (@blegat)
• Implement div with Number (#180) (@blegat)
• Update to MutableArithmetics v0.3 (#181) (@blegat)