Tore Darell toretore

## explicit.rb
class PullSource

  def self.implementations
    @implementations ||= {}
  end

  def self.register(name)
    implementations[name] << self
  end
	class PullSource

	def self.implementations
	@implementations \|\|= {}
	end

	def self.register(name)
	implementations[name] << self
	end