Fix ordering issues escaping/unescaping

It seems as we were storing our list of modifications in a dict we couldn't rely
on the order of them coming out the dict, this was causing issues with \n and \r
and caused the output to have \\n or \\r. Switching to a list of tuples resolved
the issue.

ts3/__init__.py

@@ -53,17 +53,20 @@ class InvalidArguments(ValueError):
     Raised when a abstracted function has received invalid arguments
     """
 
-ts3_escape = { "\\": r'\\',
-               '/': r"\/",
-               ' ': r'\s',
-               '|': r'\p',
-               "\a": r'\a',
-               "\b": r'\b',
-               "\f": r'\f',
-               "\n": r'\n',
-               "\r": r'\r',
-               "\t": r'\t',
-               "\v": r'\v' }
+ts3_escape = [
+     (chr(92), r'\\'),  # \
+     (chr(47), r"\/"),  # /
+     (chr(32), r'\s'),  # Space
+     (chr(124), r'\p'), # |
+     (chr(7), r'\a'),   # Bell
+     (chr(8), r'\b'),   # Backspace
+     (chr(12), r'\f'),  # Formfeed
+     (chr(10), r'\n'),  # Newline
+     (chr(13), r'\r'),  # Carrage Return
+     (chr(3), r'\t'),   # Horizontal Tab
+     (chr(11), r'\v'),  # Vertical tab
+]
+
 
 class TS3Response():
     def __init__(self, response, data):
@@ -225,7 +228,7 @@ class TS3Proto():
         if isinstance(value, int):
             return str(value)
         
-        for i, j in ts3_escape.iteritems():
+        for i, j in ts3_escape:
             value = value.replace(i, j)
         
         return value
@@ -243,7 +246,7 @@ class TS3Proto():
         if isinstance(value, int):
             return str(value)
         
-        for i, j in ts3_escape.iteritems():
+        for i, j in ts3_escape:
             value = value.replace(j, i)
         
         return value