fitbit woes in slogger

gistfile1.txt

mba:plugins_disabled keith$ cp fitbit.rb ../plugins
mba:plugins_disabled keith$ cd ..
mba:Slogger keith$ ./slogger -o fitbit
Initializing Slogger v2.1 (2.1.0.6)...
  15:14:27         FitbitLogger:
  15:14:27         FitbitLogger: Logging Fitbit summary for 2013-12-02
/Users/keith/Slogger/plugins/fitbit.rb:113:in `do_log': undefined method `[]' for nil:NilClass (NoMethodError)
	from /Users/keith/Slogger/slogger.rb:257:in `block in run_plugins'
	from /Users/keith/Slogger/slogger.rb:244:in `each'
	from /Users/keith/Slogger/slogger.rb:244:in `run_plugins'
	from /Users/keith/Slogger/slogger.rb:388:in `<top (required)>'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from ./slogger:18:in `<main>'
mba:Slogger keith$ cat slogger_config | grep itbit
FitbitLogger:
  fitbit_description:
  - Grabs todays fitbit stats. See fitbit.com
  - 'fitbit_unit_system defines the unit system used. Values: METRIC, US, UK.  (default
  FitbitLogger_last_run: Sun Dec  1 13:11:05 2013
  fitbit_consumer_key: b3d72fd65cbe491d8dbb95aaf737b175
  fitbit_consumer_secret: 90d8e3be22974513aa4d2a492f549a62
  fitbit_oauth_token: ''
  fitbit_oauth_secret: ''
  fitbit_tags: '#activities'
  fitbit_log_water: false
  fitbit_log_body_measurements: false
  fitbit_log_sleep: false
  fitbit_log_food: false
  fitbit_unit_system: US
mba:Slogger keith$