Allow bytestring 0.11

[sjakobi]

http://hackage.haskell.org/package/bytestring-0.11.0.0/changelog

Some dependencies still need updating, but our testsuites already pass when built with stack and this patch:

--- a/stack.yaml
+++ b/stack.yaml
@@ -33,6 +33,14 @@ extra-deps:
   - semialign-indexed-1.1@sha256:bc375898351fea11ab3f4279844fcfc00aa42c90182eedfc28c4754098da3e0e,2026
   - some-1.0.1@sha256:26e5bab7276f48b25ea8660d3fd1166c0f20fd497dac879a40f408e23211f93e,2055
   - tasty-silver-3.1.15@sha256:f40b3f59dfabe14f185b5d27fdb8aa8b7c75458aa7999f8aa244b9dcbaf8dc31,2328
+  - bytestring-0.11.0.0
+  - binary-0.8.8.0
+  - directory-1.3.6.1
+  - process-1.6.11.0
+  - text-1.2.4.1
+  - unix-2.7.2.2
+  - modern-uri-0.3.3.1
+allow-newer: true
 nix:
   packages:
     - ncurses

The exception are dhall:doctest and dhall-docs:doctest which currently fail during linking. I don't expect that this will require changes in our code though.

[Gabriella439]

@sjakobi: Thank you! I just published the matching revisions to Hackage