diff --git a/clumpiness.cabal b/clumpiness.cabal
--- a/clumpiness.cabal
+++ b/clumpiness.cabal
@@ -1,72 +1,24 @@
--- Initial clumpiness.cabal generated by cabal init.  For further 
--- documentation, see http://haskell.org/cabal/users-guide/
-
--- The name of the package.
-name:                clumpiness
-
--- The package version.  See the Haskell package versioning policy (PVP) 
--- for standards guiding when and how versions should be incremented.
--- http://www.haskell.org/haskellwiki/Package_versioning_policy
--- PVP summary:      +-+------- breaking API changes
---                   | | +----- non-breaking API additions
---                   | | | +--- code changes with no API change
-version:             0.17.0.0
-
--- A short (one-line) description of the package.
-synopsis:            Calculate the clumpiness of leaf properties in a tree
-
--- A longer description of the package.
--- description:         
-
--- The license under which the package is released.
-license:             GPL-3
-
--- The file containing the license text.
-license-file:        LICENSE
-
--- The package author(s).
-author:              Gregory Schwartz
-
--- An email address to which users can send suggestions, bug reports, and 
--- patches.
-maintainer:          gs394@drexel.edu
-
--- A copyright notice.
--- copyright:           
-
-category:            Math
-
-build-type:          Simple
-
--- Extra files to be distributed with the package, such as examples or a 
--- README.
--- extra-source-files:  
-
--- Constraint on the version of Cabal needed to build this package.
-cabal-version:       >=1.10
-
+cabal-version: >=1.10
+name: clumpiness
+version: 0.17.0.1
+license: GPL-3
+license-file: LICENSE
+maintainer: gsch@mail.med.upenn.edu
+author: Gregory Schwartz
+synopsis: Calculate the clumpiness of leaf properties in a tree
+category: Math
+build-type: Simple
 
 library
-  -- Modules exported by the library.
-  exposed-modules:     Math.Clumpiness.Algorithms
-                     , Math.Clumpiness.Types
-                     , Math.Clumpiness.Utilities
-                     , Math.Clumpiness.Pinpoint
-  
-  -- Modules included in this library but not exported.
-  -- other-modules:       
-  
-  -- LANGUAGE extensions used by modules in this package.
-  other-extensions:    BangPatterns
-  
-  -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5
-                     , containers >=0.5
-                     , tree-fun >=0.7
-  
-  -- Directories containing source files.
-  hs-source-dirs:      src
-  
-  -- Base language which the package is written in.
-  default-language:    Haskell2010
-  
+    exposed-modules:
+        Math.Clumpiness.Algorithms
+        Math.Clumpiness.Types
+        Math.Clumpiness.Utilities
+        Math.Clumpiness.Pinpoint
+    hs-source-dirs: src
+    default-language: Haskell2010
+    other-extensions: BangPatterns
+    build-depends:
+        base >=4.6 && <5,
+        containers ==0.5.*,
+        tree-fun >=0.7 && <0.9
diff --git a/src/Math/Clumpiness/Pinpoint.hs b/src/Math/Clumpiness/Pinpoint.hs
--- a/src/Math/Clumpiness/Pinpoint.hs
+++ b/src/Math/Clumpiness/Pinpoint.hs
@@ -76,16 +76,16 @@
     newPinpoint    = case parent of
                          SuperRoot -> Nothing
                          _         -> Just
-                                      Pinpoint { pinpointLabel = label
+                                      Pinpoint { pinpointLabel      = label
                                                , pinpointClumpiness = clump
                                                , pinpointLeaves = relevantLeaves
                                                }
-    relevantLeaves = Seq.fromList
-                   . filter (viableNode viable validPropertyMap)
-                   . M.keys
-                   $ descendents
-    clump  = Seq.fromList
-           $ generateClumpMap viable validPropertyMap newTree
+    relevantLeaves   = Seq.fromList
+                     . filter (viableNode viable validPropertyMap)
+                     . M.keys
+                     $ descendents
+    clump            = Seq.fromList
+                     $ generateClumpMap viable validPropertyMap newTree
     validPropertyMap = getValidPropertyMap newTree propertyMap
     newTree          = filterRootLeaves . rootSubtree $ tree