Merge branch 'patch-1' into 'master'

Propogate ${FN} outside of `functions/test.sh` script

See merge request !33

test.sh

@@ -5,7 +5,7 @@ set -ex
 go test -v $(go list ./... | grep -v vendor | grep -v examples | grep -v tool | grep -v fn)
 cd fn && make build && make test
 # TODO: should we install fn here to use throughout?
-FN="$(pwd)/fn"
+export FN="$(pwd)/fn"
 cd ..
 
 # TODO: Test a bunch of the examples using fn test when ready