Merge pull request #45 from spicydonuts/hook-apply-operator

Add `&` operator for applying hook chains in reverse

Author: maddie927

Diff for: .travis.yml

@@ -9,7 +9,7 @@ cache: npm
 
 install:
   - npm ci
-  - npx bower i
+  - npx spago install
 
 script:
-  - npx pulp build
+  - npx spago build