def get_query_operator(part)
      operator = Montage::Operators.find_operator(part)
      [operator.operator, operator.montage_operator]
    end
def get_query_operator(part)
      operator = Montage::Operators.find_operator(part)
      [operator.operator, operator.montage_operator]
    end
Grabs the proper query operator from the string

 * *Args* :
   - +part+ -> The query string
 * *Returns* :
   - An array containing the supplied logical operator and the Montage
     equivalent
 * *Examples* :
    @part = "tree_happiness_level > 9"
    get_query_operator(@part)
    => [">", "$gt"]