Merge pull request #136 from JuliaDiffEq/compathelper/new_version/2020-02-17-15-05-40-301-2980498732

CompatHelper: bump compat for "Latexify" to "0.13"

Author: ChrisRackauckas

Project.toml

@@ -68,7 +68,7 @@ DoubleFloats = "0.9, 1.0"
 ForwardDiff = "0.10"
 Gadfly = "1.1"
 IJulia = "1.20"
-Latexify = "0.12"
+Latexify = "0.12, 0.13"
 Measurements = "2.1"
 ModelingToolkit = "0.9, 0.10, 1.0"
 NLsolve = "4.2"