problems in startup and using gcli

[rahuldave]

Invoked on a snow leopard box, with a 10.6.x build of node webkit, and with latest github ambiance..the first two errors were on startup, the next on open ~/apyfile.py on the gcli

$ ./node-webkit.app/Contents/MacOS/node-webkit ambiance
[20784:0214/001903:ERROR:renderer_main.cc(179)] Running without renderer sandbox
[20783:0214/001903:INFO:CONSOLE(1)] "Uncaught TypeError: Illegal invocation", source: /Users/rahul/Downloads/Ambiance/ambiance/node_modules/gcli-ambiance-plugin/resource/gcli.js (1)
[20783:0214/001938:INFO:CONSOLE(1)] "Uncaught TypeError: Cannot call method 'selectChoice' of undefined", source: /Users/rahul/Downloads/Ambiance/ambiance/node_modules/gcli-ambiance-plugin/resource/gcli.js (1)
[20783:0214/002112:INFO:CONSOLE(1)] "Uncaught TypeError: Cannot call method 'selectChoice' of undefined", source: /Users/rahul/Downloads/Ambiance/ambiance/node_modules/gcli-ambiance-plugin/resource/gcli.js (1)
[20783:0214/002227:INFO:CONSOLE(1)] "Uncaught TypeError: Cannot call method 'selectChoice' of undefined", source: /Users/rahul/Downloads/Ambiance/ambiance/node_modules/gcli-ambiance-plugin/resource/gcli.js (1)
[20783:0214/002538:INFO:CONSOLE(1)] "Uncaught TypeError: Cannot call method 'selectChoice' of undefined", source: /Users/rahul/Downloads/Ambiance/ambiance/node_modules/gcli-ambiance-plugin/resource/gcli.js (1)