fixes #31 - replaced bash executable script by a Python one

-2011-12-20, v0.4.0 - first numbered version
+CasperJS Changelog
+==================
+
+2011-12-21, v0.4.1
+------------------
+
+- fixed #31 - replaced bash executable script by a Python one
+
+---
+
+2011-12-20, v0.4.0
+------------------
+
+- first numbered version

-#!/usr/bin/env bash
+#!/usr/bin/env python
 
-CASPER_EXECUTABLE=${BASH_SOURCE[0]}
+import os
+import subprocess
+import sys
 
-while [ -h "$CASPER_EXECUTABLE" ]; do
-    CASPER_EXECUTABLE="$( readlink $CASPER_EXECUTABLE )"
-done
 
-CASPERJS_HOME="$( cd -PL "$( dirname "$CASPER_EXECUTABLE" )" && cd .. && pwd )"
-phantomjs $CASPERJS_HOME/casper.js --casper-path=$CASPERJS_HOME --cli $*
+def resolve(path):
+    while os.path.islink(path):
+        return resolve(os.readlink(path))
+    return path
+
+CASPER_PATH = os.path.abspath(os.path.join(os.path.dirname(resolve(__file__)), '..'))
+CASPER_ARGS = ['phantomjs', os.path.join(CASPER_PATH, 'casper.js'), '--casper-path=%s' % CASPER_PATH, '--cli']
+CASPER_ARGS.extend(sys.argv[1:])
+
+subprocess.call(CASPER_ARGS)

@@ -33,7 +33,7 @@
     phantom.casperVersion = {
         major: 0,
         minor: 4,
-        revision: 0,
+        revision: 1,
         toString: function() {
             return [this.major, this.minor, this.revision].join('.');
         }