Allow the purescript dependencies to better match the available packages in
Guix.

diff --git purescript-0.13.6/purescript.cabal purescript-0.13.6/purescript.cabal.orig
index 7e38070..0724a0b 100644
--- purescript-0.13.6/purescript.cabal
+++ purescript-0.13.6/purescript.cabal.orig
@@ -1167,1 +1167,1 @@ library
-        Glob ==0.9.*,
+        Glob ==0.10.*,
@@ -1171,1 +1171,1 @@ library
-        ansi-terminal >=0.7.1 && <0.9,
+        ansi-terminal ==0.9.*,
@@ -1180,1 +1180,1 @@ library
-        clock <0.8,
+        clock ==0.8.*,
@@ -1246,1 +1246,1 @@ executable purs
-        Glob ==0.9.*,
+        Glob ==0.10.*,
@@ -1250,1 +1250,1 @@ executable purs
-        ansi-terminal >=0.7.1 && <0.9,
+        ansi-terminal ==0.9.*,
@@ -1260,1 +1260,1 @@ executable purs
-        clock <0.8,
+        clock ==0.8.*,
@@ -1281,1 +1281,1 @@ executable purs
-        network >=3.0.1.1 && <3.1,
+        network >=2.8 && <3.1,
@@ -1358,1 +1358,1 @@ test-suite tests
-        Glob ==0.9.*,
+        Glob ==0.10.*,
@@ -1363,1 +1363,1 @@ test-suite tests
-        ansi-terminal >=0.7.1 && <0.9,
+        ansi-terminal ==0.9.*,
@@ -1372,1 +1372,1 @@ test-suite tests
-        clock <0.8,
+        clock ==0.8.*,
@@ -1384,2 +1384,2 @@ test-suite tests
-        hspec <2.7,
-        hspec-discover <2.7,
+        hspec ==2.7.*,
+        hspec-discover ==2.7.*,