Issue #16: convert all command blocks to the form: [ :topez :objIn :tokens :command | ]...convert subCommands to use: TDAbstractDevTool class>>performSubCommand:objIn:todeCommand: ...add better subCommand support to TDCommandLine (teach it to respect subCommands) ... still need to remove windowId and tokens instance variables from TDAbstractDevTool ...  TDTopezServer>>evaluateCommand:objIn: and TDTopezServer>>evaluateSTONCommand: are now the primary entry points for command processing ...