TypeError: Object #<envir> has no method 'save'

[CloCkWeRX]

With the current nina client on develop:

[2014-11-10 03:25:06.226] [WARN] NB DriverLoader - Failed to load driver: ninja-envir Error: [TypeError: Object #<envir> has no method 'save']
TypeError: Object #<envir> has no method 'save'
    at new envir (/opt/ninja-devel2/drivers/ninja-envir/index.js:56:10)
    at DriverLoader.loadDriver (/opt/ninja-devel2/lib/DriverLoader.js:135:16)
    at /opt/ninja-devel2/lib/DriverLoader.js:34:16
    at Array.forEach (native)
    at onEachDriverPath (/opt/ninja-devel2/lib/DriverLoader.js:32:28)
    at Array.forEach (native)
    at new DriverLoader (/opt/ninja-devel2/lib/DriverLoader.js:28:15)
    at Object.<anonymous> (/opt/ninja-devel2/index.js:94:15)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)