Implement fair channel allocation in ChanKeep

* Allocate channels to relays only if they have free space based on
their chanlimit value
* Minify channels by removing ones that are already covered before
passing them off to be joined

commands/list.py

@@ -0,0 +1,26 @@
+import main
+
+class ListCommand:
+    def __init__(self, *args):
+        self.list(*args)
+
+    def list(self, addr, authed, data, obj, spl, success, failure, info, incUsage, length):
+        if authed:
+            if length == 2:
+                if not spl[1] in main.network.keys():
+                    failure("No such network: %s" % spl[1])
+                    return
+                if not 1 in main.network[spl[1]].relays.keys():
+                    failure("Network has no first instance")
+                    return
+                if not spl[1]+"1" in main.IRCPool.keys():
+                    failure("No IRC instance: %s - 1" % spl[1])
+                    return
+                main.IRCPool[spl[1]+"1"].list()
+                success("Requested list with first instance of %s" % spl[1])
+                return
+            else:
+                incUsage("list")
+                return
+        else:
+            incUsage(None)