more adjustments

.gitignore

@@ -13,3 +13,4 @@ cabal.sandbox.config
 .DS_Store
 *.swp
 static/data*
+.stack-work*

stack.yaml

@@ -99,7 +99,7 @@ extra-deps:
 - http-conduit-2.1.8
 - http-date-0.0.6.1
 - http-types-0.9
-- http2-1.4.0
+- http2-1.3.1
 - imagemagick-0.0.3.5
 - iproute-1.7.0
 - kan-extensions-4.2.3
@@ -183,11 +183,11 @@ extra-deps:
 - vector-algorithms-0.7.0.1
 - vector-instances-3.3.1
 - void-0.7.1
-- wai-3.2.0
+- wai-3.0.5.0
 - wai-app-static-3.1.4.1
 - wai-extra-3.0.13.1
 - wai-logger-2.2.4.1
-- warp-3.2.0
+- warp-3.1.12
 - word8-0.1.2
 - x509-1.6.3
 - x509-store-1.6.1