Added --above <n> to git-effort(1)

Readme.md

@@ -171,6 +171,12 @@ $ git summary v42..
 
   ![git effort](http://f.cl.ly/items/2B0D1x3v3w023s1r2t0g/Grab.png)
 
+  If you wish to ignore files with commits `<=` a value you may use `--above`:
+  
+```
+$ git effort --above 5
+```
+
 ## git-repl
 
 GIT read-eval-print-loop:

bin/git-effort

@@ -1,6 +1,11 @@
 #!/bin/sh
 
 files=`git ls-files`
+above='0'
+
+if test "$1" = "--above"; then
+  above=$2
+fi
 
 echo
 echo "  file                                          commits"
@@ -10,6 +15,11 @@ for file in $files; do
   commits=`git log --oneline $file | wc -l`
   color='90'
 
+  if test $commits -le $above; then
+    continue
+  fi
+    
+
   test $commits -gt 10 && color='33'
   test $commits -gt 25 && color='93'
   test $commits -gt 50 && color='32'