Merge pull request #17 from gszep/compathelper/new_version/2021-11-23-00-11-26-478-03731959793

CompatHelper: bump compat for SpecialFunctions to 2, (keep existing compat)

Author: Grisha Szep

Project.toml

@@ -25,7 +25,7 @@ LaTeXStrings = "1"
 Parameters = "0.12"
 Plots = "1"
 Setfield = "0.7, 0.8"
-SpecialFunctions = "1.5"
+SpecialFunctions = "1.5, 2"
 StaticArrays = "1.2"
 julia = "1"