diff --git a/AssetPackager/AssetPackager.py b/AssetPackager/AssetPackager.py
index ffc0c33..a693747 100644
--- a/AssetPackager/AssetPackager.py
+++ b/AssetPackager/AssetPackager.py
@@ -1,7 +1,7 @@
 import copy
 import os
 import re
-import urllib2
+import urllib.request, urllib.error, urllib.parse
 from subprocess import Popen, PIPE, STDOUT
 
 YUI_COMMAND = 'yuicompressor'.split(' ')
@@ -25,7 +25,7 @@ def _shift(queue):
 def _splitArray(array, index, needle):
   haystack = array[index]
   # find needle in haystack:
-  pos = [x for x in xrange(len(haystack)) if haystack[x:x+len(needle)] == needle][0]
+  pos = [x for x in range(len(haystack)) if haystack[x:x+len(needle)] == needle][0]
   before, after = haystack[:pos], haystack[pos + len(needle):]
   del array[index]
   if after:
@@ -36,10 +36,10 @@ def _splitArray(array, index, needle):
 # just longest common substring routine with a serialize/deserialize step at beginning/end
 def longest_common_subarray(a1, a2):
   a1, a2 = SEP + SEP.join(a1) + SEP, SEP + SEP.join(a2) + SEP
-  m = [[0] * (1 + len(a2)) for i in xrange(1 + len(a1))]
+  m = [[0] * (1 + len(a2)) for i in range(1 + len(a1))]
   longest, x_longest = 0, 0
-  for x in xrange(1, 1 + len(a1)):
-    for y in xrange(1, 1 + len(a2)):
+  for x in range(1, 1 + len(a1)):
+    for y in range(1, 1 + len(a2)):
       if a1[x - 1] == a2[y - 1]:
         m[x][y] = m[x - 1][y - 1] + 1
         if m[x][y] > longest:
@@ -97,4 +97,4 @@ def package(input_list, output, compress=True, filename_markers_in_comments=True
       file_type = 'css' if in_file.endswith('css') else 'js'
       cmd = YUI_COMMAND + ['--type=' + file_type] if compress else ['cat']
       p = Popen(cmd, stdout=out, stdin=PIPE, stderr=STDOUT)
-      p.communicate(input=urllib2.urlopen(in_file).read())
+      p.communicate(input=urllib.request.urlopen(in_file).read())
diff --git a/AssetPackager/AssetPackager.py.bak b/AssetPackager/AssetPackager.py.bak
new file mode 100644
index 0000000..ffc0c33
--- /dev/null
+++ b/AssetPackager/AssetPackager.py.bak
@@ -0,0 +1,100 @@
+import copy
+import os
+import re
+import urllib2
+from subprocess import Popen, PIPE, STDOUT
+
+YUI_COMMAND = 'yuicompressor'.split(' ')
+
+SEP = '|||'
+rSEP = '\|\|\|' # for some reason I only needed single backslashes, unlike re.escape
+fulltoken_re = re.compile('^(?:.*?)(%s)(.*)(%s)(?:.*?)$' % (rSEP, rSEP))
+localpath_re = re.compile('^(?!http|\/\/)')
+
+def _shift(queue):
+  if not queue:
+    return None
+  shifted = queue[0]
+  del queue[0]
+  return shifted
+
+# remove needle from the middle of array[index], putting back what's on either side of needle
+# as separate elements
+# _splitArray([0,0,['a', 'b', 'c'], 0 0], 2, ['b'])
+#   => [0,0,['a'], ['c'], 0 0]
+def _splitArray(array, index, needle):
+  haystack = array[index]
+  # find needle in haystack:
+  pos = [x for x in xrange(len(haystack)) if haystack[x:x+len(needle)] == needle][0]
+  before, after = haystack[:pos], haystack[pos + len(needle):]
+  del array[index]
+  if after:
+    array.insert(index, after)
+  if before:
+    array.insert(index, before)
+
+# just longest common substring routine with a serialize/deserialize step at beginning/end
+def longest_common_subarray(a1, a2):
+  a1, a2 = SEP + SEP.join(a1) + SEP, SEP + SEP.join(a2) + SEP
+  m = [[0] * (1 + len(a2)) for i in xrange(1 + len(a1))]
+  longest, x_longest = 0, 0
+  for x in xrange(1, 1 + len(a1)):
+    for y in xrange(1, 1 + len(a2)):
+      if a1[x - 1] == a2[y - 1]:
+        m[x][y] = m[x - 1][y - 1] + 1
+        if m[x][y] > longest:
+          longest = m[x][y]
+          x_longest = x
+      else:
+        m[x][y] = 0
+  result = a1[x_longest - longest: x_longest]
+  matches = re.search(fulltoken_re, result)
+  return matches.group(2).split(SEP) if matches else []
+
+def _isLocalFile(path):
+  return re.match(localpath_re, path)
+
+
+
+
+# Given a list of asset paths grouped by page, return a list of lists, basically
+# a bucketed version based on usage commonality.
+def analyze(assets):
+  queue = copy.copy([i for i in assets if i])
+  result = [_shift(queue)] if len(queue) else []
+  while len(queue):
+    for i, result_chunk in enumerate(result):
+      sub = longest_common_subarray(result_chunk, queue[0])
+      if len(sub):
+        _splitArray(queue, 0, sub)
+        if len(sub) != len(result_chunk):
+          _splitArray(result, i, sub)
+          result.insert(i, sub)
+        break
+    else:
+      result.append(_shift(queue))
+  return result
+
+# Given a list of paths (local or remote), concatenate them together and save
+# locally as output.
+def package(input_list, output, compress=True, filename_markers_in_comments=True):
+  out = open(output, 'w') # clear contents
+  out = open(output, 'a')
+  for i, in_file in enumerate(input_list):
+    if i != 0:
+      out.write('\n\n' if filename_markers_in_comments else '\n')
+    if filename_markers_in_comments:
+      in_file_short = os.path.basename(in_file)
+      out.write('/* %s %s */\n' % (in_file_short, '-' * 40))
+    out.flush()
+
+    if _isLocalFile(in_file):
+      cmd = YUI_COMMAND if compress else ['cat']
+      Popen(cmd + [in_file], stdout=out).wait()
+    else:
+      if in_file.startswith('//'):
+        in_file = 'http:' + in_file
+      file_type = 'css' if in_file.endswith('css') else 'js'
+      cmd = YUI_COMMAND + ['--type=' + file_type] if compress else ['cat']
+      p = Popen(cmd, stdout=out, stdin=PIPE, stderr=STDOUT)
+      p.communicate(input=urllib2.urlopen(in_file).read())
diff --git a/AssetPackager/__init__.py b/AssetPackager/__init__.py
index ef63275..5113279 100644
--- a/AssetPackager/__init__.py
+++ b/AssetPackager/__init__.py
@@ -1 +1 @@
-from AssetPackager import *
+from .AssetPackager import *
diff --git a/AssetPackager/__init__.py.bak b/AssetPackager/__init__.py.bak
new file mode 100644
index 0000000..ef63275
--- /dev/null
+++ b/AssetPackager/__init__.py.bak
@@ -0,0 +1 @@
+from AssetPackager import *