tools v4.0

New calibre plugin interface (0.7.55)
Dropped unswindle.pyw
Added Android patch

DeDRM_Macintosh_Application/DeDRM.app/Contents/Resources/ineptpdf.py

@@ -157,6 +157,7 @@ def _load_crypto_libcrypto():
             return out.raw
 
     class AES(object):
+        MODE_CBC = 0
         @classmethod
         def new(cls, userkey, mode, iv):
             self = AES()