use newer hashtables to fix an instance warning with doctests/ghc 7 (#794)

hledger-lib/hledger-lib.cabal

@@ -2,7 +2,7 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 0e72f3eaeca291a51788326f145fe2e50f9febc84f8fb6d2e039f0bdd5b3f667
+-- hash: 4e9f93f0ca43f594b381f1e1e03e67ce3379bd4830b260e6f7dc1596b946993f
 
 name:           hledger-lib
 version:        1.9.99
@@ -116,7 +116,7 @@ library
     , directory
     , extra
     , filepath
-    , hashtables >=1.2
+    , hashtables >=1.2.3.1
     , megaparsec >=6.4.1
     , mtl
     , mtl-compat
@@ -212,7 +212,7 @@ test-suite doctests
     , doctest >=0.8
     , extra
     , filepath
-    , hashtables >=1.2
+    , hashtables >=1.2.3.1
     , megaparsec >=6.4.1
     , mtl
     , mtl-compat
@@ -307,7 +307,7 @@ test-suite easytests
     , easytest
     , extra
     , filepath
-    , hashtables >=1.2
+    , hashtables >=1.2.3.1
     , hledger-lib
     , megaparsec >=6.4.1
     , mtl
@@ -402,7 +402,7 @@ test-suite hunittests
     , directory
     , extra
     , filepath
-    , hashtables >=1.2
+    , hashtables >=1.2.3.1
     , hledger-lib
     , megaparsec >=6.4.1
     , mtl

hledger-lib/package.yaml

@@ -53,7 +53,7 @@ dependencies:
 - deepseq
 - directory
 - filepath
-- hashtables >=1.2
+- hashtables >=1.2.3.1
 - megaparsec >=6.4.1
 - mtl
 - mtl-compat

stack-ghc7.10.yaml

@@ -12,6 +12,8 @@ packages:
 
 extra-deps:
 - easytest-0.2
+# avoid no hashable instance for AccountName from doctests
+- hashtables-1.2.3.1
 # Many newer versions to allow using the latest base-compat with all ghc versions.
 # This is just the first workable install plan I found.
 - adjunctions-4.4

stack-ghc8.0.yaml

@@ -42,5 +42,7 @@ extra-deps:
 - swagger2-2.2.2
 - text-1.2.3.0
 - unordered-containers-0.2.9.0
+# avoid no hashable instance for AccountName from doctests
+- hashtables-1.2.3.1
 # avoid hanging with windows symlinks https://github.com/simonmichael/hledger/issues/791
 - directory-1.3.2.2

stack-ghc8.2.yaml

@@ -17,6 +17,8 @@ extra-deps:
 - base-compat-batteries-0.10.1
 - criterion-1.4.1.0
 - swagger2-2.2.2
+# avoid no hashable instance for AccountName from doctests
+- hashtables-1.2.3.1
 # avoid https://github.com/simonmichael/hledger/issues/791
 - directory-1.3.2.2