Remove unused interface

Add all options
Bugs fixed

model/IProtocol.py

@@ -1,30 +0,0 @@
-class IProtocol:
-    def build_SIGNIN(self, login, password):
-        pass
-
-    def build_SIGNUP(self, login, password):
-        pass
-
-    def build_FILELIST(self):
-        pass
-
-    def build_SAVEFILE(self, filename, size):
-        pass
-
-    def build_GETFILE(self, filename):
-        pass
-
-    def build_REMOVEFILE(self, filename):
-        pass
-
-    def build_SIGNOUT(self):
-        pass
-
-    def parse(self, line, debug_enabled):
-        pass
-
-    def parse_FILES(self, line):
-        pass
-
-    def parse_GETFILEOK(self, line):
-        pass

model/Protocol.py

@@ -1,7 +1,6 @@
-from model.IProtocol import *
 import re
 
-class Protocol(IProtocol):
+class Protocol:
     RX_DIGIT = r"[0-9]"
     RX_SIZE = r"(" + RX_DIGIT + "{1,10})"
     RX_LINE = r"(\\x0d\\x0a){0,1}"