Merge pull request #147 from JuliaAlgebra/compathelper/new_version/2020-08-18-00-24-58-572-174144990

CompatHelper: bump compat for "DataStructures" to "0.18"

Author: blegat

Project.toml

@@ -10,7 +10,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MutableArithmetics = "d8a4904e-b15c-11e9-3269-09a3773c0cb0"
 
 [compat]
-DataStructures = "0.17.7"
+DataStructures = "0.17.7, 0.18"
 DynamicPolynomials = "0.3.12"
 MutableArithmetics = "0.2"
 TypedPolynomials = "0.2.8"