Merge pull request #695 from smurphy8/master

add xlsx and binary-search to master

build-constraints.yaml

@@ -1,5 +1,4 @@
 ghc-major-version: "7.10"
-
 # Constraints for brand new builds
 packages:
     "Michael Snoyman michael@snoyman.com @snoyberg":
@@ -1183,10 +1182,14 @@ packages:
         - network-carbon
         - socket-io
 
+    "Scott Murphy scott.murphy@plowtech.net @smurphy8":
+        - binary-search 
+        - xlsx
+      
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6
-
+        
         # https://github.com/fpco/stackage/issues/572
         - attoparsec < 0.13
         - aeson < 0.8.1.0