Update pgf.cabal, and minors to other cabal files

src/runtime/haskell/pgf.cabal

@@ -1,5 +1,5 @@
 name: pgf
-version: 3.10
+version: 3.10.1-git
 
 cabal-version: >= 1.20
 build-type: Simple
@@ -9,20 +9,21 @@ synopsis: Grammatical Framework
 description: A library for interpreting the Portable Grammar Format (PGF)
 homepage: http://www.grammaticalframework.org/
 bug-reports: https://github.com/GrammaticalFramework/gf-core/issues
-maintainer: Thomas Hallgren
-tested-with: GHC==7.6.3, GHC==7.8.3, GHC==7.10.3, GHC==8.0.2
+tested-with: GHC==7.6.3, GHC==7.8.3, GHC==7.10.3, GHC==8.0.2, GHC=8.4.4
 
-Library
-  default-language:    Haskell2010
-  build-depends: base >= 4.6 && <5,
-                 array,
-                 containers,
-                 bytestring,
-                 utf8-string,
-                 random,
-                 pretty,
-                 mtl,
-                 exceptions
+library
+  default-language: Haskell2010
+  build-depends:
+    array,
+    base >= 4.6 && <5,
+    bytestring,
+    containers,
+    -- exceptions,
+    ghc-prim,
+    mtl,
+    pretty,
+    random,
+    utf8-string
 
   other-modules:
     -- not really part of GF but I have changed the original binary library
@@ -37,7 +38,6 @@ Library
 --if impl(ghc>=7.8)
 --  ghc-options: +RTS -A20M -RTS
   ghc-prof-options: -fprof-auto
-  extensions:
 
   exposed-modules:
     PGF