@keyIsFull, the prompt issue is fixable... though it can be very difficult to do. I don't know how well this will work, but you can try the below solution. If your up to it, and you know a bit of C, do the following:
Open interpreter.c -- this is where connection states and main input is handled. Scroll down to line 1680, where it says sprintf(buf, "Give me a password for %s: ", GET_PC_NAME(d->character));.
Before the first character in the string (in 'give'), add '\r\n' to that string. You may also wish to do this at the end, too.
Determine the exact text of any other prompts that do this in mushclient, perform a grep (i.e. grep "give me a password" -inr *) in the src directory for the file their located in, and do the same for them.
Recompile the game and hotreboot, copyover or reboot.
For changing the map size:
Go to line 93 and change those preprocessor definitions' values' to whatever you like. Be careful, though -- the higher they are, the larger your map will be in RAM!
Optionally, open util/map.c, go to line 113, and change those definitions there.
Recompile and regenerate your map.
"On two occasions I have been asked [by members of Parliament!]: 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out ?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question." — Charles Babbage.