Fixing poorly uncommented code from previous MR (#17)

* Adding compats for all packages suggested by compathelper

* Typo and merge master

* Adding slack notifications removing 1.0

* Fixing bad type that stopped ci

* Trying to resolve dependency issue in docs build

* Test with strict AbstractGPs version

* Relaxing AbstractGPs compat

* Don't use package server

* Fixing doctests

* Adding packages to docs env

* Fixing format issues

* Moving some doctests, removing Stheno from test env, adding 1 as version for doc ci tests

* Addressing formatting issues and ci problem

* Formatting and ci bug

* Adding required export

* Fixing kwarg ;

* Format issues

* Getting 100% coverage and fixing formatting

.github/workflows/CI.yml

@@ -48,7 +48,7 @@ jobs:
         with:
           file: lcov.info
 
-  # slack:
+  slack:
     name: Notify Slack Failure
     needs: test
     runs-on: ubuntu-latest
@@ -79,5 +79,6 @@ jobs:
             Pkg.instantiate()
             include("docs/make.jl")'
         env:
+          JULIA_PKG_SERVER: ""
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}