README Update

Version Update
base.py:
    - Adding timeout variable to github connexion
    - Adding get_all_module method to retrieve all modules in mods/ folder
irc.py:
    - Adapt show_module command
mod_defender.py:
    - Update operator command and use only normal command (owner, deowner, op, deop, halfop, dehalfop, voice, devoice, kick, kickban, ban)
    - Channel variable is coming now from the command but also from the system

version.json

@@ -1,3 +1,3 @@
 {
-    "version": "5.0.4"
+    "version": "5.0.5"
 }