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README.md

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 |:-----------------:|:--------------------:|:----------------:|:----------:|:----------------------:|
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+| [![][docs-stable-img]][docs-stable-url] | [![][pkg-0.6-img]][pkg-0.6-url] | [![Build Status][build-img]][build-url] [![Build Status][winbuild-img]][winbuild-url] | [![Gitter][gitter-img]][gitter-url] | [![DOI][zenodo-img]][zenodo-url] |
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 This package provides an interface for manipulating multivariate polynomials.