paste.debian.net/paste.grml.org: Tolerate absence of trailing slashes.

The trailing slash may be absent in both the web and curl versions.

Fixes #3.

Raises #4.

caste

@@ -12,10 +12,14 @@ class Test_Transform(unittest.TestCase):
         pairs = (
             ('http://pastebin.com/Yas84GQN', 'http://pastebin.com/raw/Yas84GQN'),
             ('http://hastebin.com/ufogotebaw.anything', 'http://hastebin.com/raw/ufogotebaw'),
-            ('https://paste.debian.net/361351/', 'https://paste.debian.net/plain/361351'),
-            ('https://paste.debian.net/hidden/1d8a7b32/', 'https://paste.debian.net/plainh/1d8a7b32'),
-            ('http://paste.grml.org/2643/', 'http://paste.grml.org/plain/2643'),
-            ('https://paste.grml.org/hidden/1d8a7b32/', 'https://paste.grml.org/plainh/1d8a7b32'),
+            ('https://paste.debian.net/361351', 'https://paste.debian.net/plain/361351'),
+            ('https://paste.debian.net/361351/', 'https://paste.debian.net/plain/361351/'),
+            ('https://paste.debian.net/hidden/1d8a7b32', 'https://paste.debian.net/plainh/1d8a7b32'),
+            ('https://paste.debian.net/hidden/1d8a7b32/', 'https://paste.debian.net/plainh/1d8a7b32/'),
+            ('http://paste.grml.org/2643', 'http://paste.grml.org/plain/2643'),
+            ('http://paste.grml.org/2643/', 'http://paste.grml.org/plain/2643/'),
+            ('https://paste.grml.org/hidden/1d8a7b32', 'https://paste.grml.org/plainh/1d8a7b32'),
+            ('https://paste.grml.org/hidden/1d8a7b32/', 'https://paste.grml.org/plainh/1d8a7b32/'),
             ('http://paste.opensuse.org/85382826', 'http://paste.opensuse.org/view/raw/85382826'),
             ('http://susepaste.org/77951426', 'http://susepaste.org/view/raw/77951426'),
             ('https://bpaste.net/show/b189be90c71f', 'https://bpaste.net/raw/b189be90c71f'),
@@ -43,10 +47,10 @@ class Test_Transform(unittest.TestCase):
 REPLACEMENTS = (
     (r'(://pastebin.com)/([A-Za-z0-9_]+)', r'\1/raw/\2'),
     (r'(://hastebin.com)/([A-Za-z0-9_]+)\..*', r'\1/raw/\2'),
-    (r'(://paste.debian.net)/(\d+)/', r'\1/plain/\2'),
-    (r'(://paste.debian.net)/hidden/([a-f0-9]+)/', r'\1/plainh/\2'),
-    (r'(://paste.grml.org)/(\d+)/', r'\1/plain/\2'),
-    (r'(://paste.grml.org)/hidden/([a-f0-9]+)/', r'\1/plainh/\2'),
+    (r'(://paste.debian.net)/(\d+)', r'\1/plain/\2'),
+    (r'(://paste.debian.net)/hidden/([a-f0-9]+)', r'\1/plainh/\2'),
+    (r'(://paste.grml.org)/(\d+)', r'\1/plain/\2'),
+    (r'(://paste.grml.org)/hidden/([a-f0-9]+)', r'\1/plainh/\2'),
     (r'(://paste.opensuse.org)/(\d+)', r'\1/view/raw/\2'),
     (r'(://susepaste.org)/(\d+)', r'\1/view/raw/\2'),
     (r'(://bpaste.net)/show/([a-f0-9]+)', r'\1/raw/\2'),