in order to avoid leaking memory, remove all symbolization
switch from yaml to json serialization
globally avoid using symbols since we're moving to json storage
puts
transform and clean utf-8
Only load the fields we need for the autocomplete.
add cached columns for event creation and last errors, reducing the number of SQL queries
Merge branch 'master' into do_not_symbolize

Conflicts:
	app/models/agents/human_task_agent.rb
	spec/models/agents/human_task_agent_spec.rb
Merge remote-tracking branch 'origin/optimizations' into do_not_symbolize
add new JSONSerializedField Concern and better specs around handling of json string assignment to memory and options
fix migration
update VERSION, README, and CHANGES
Merge pull request #116 from cantino/do_not_symbolize

Do not symbolize