Correct type in routes initialize in _init(config)
Correct type in routes initialize in _init(config)

We need tiddler_name to be a :segment so things like '-' work in
tiddler names.

See issue:

TiddlySpace/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,FND/tiddlyspace