def filter_to_hash(valid_filters, keys_case=:undescore)
			hashed_filter = {}
			filter.each do |key, value|
				hashed_filter[get_attribute_key(key, keys_case)] = solve_filter_value(key, value)
			end
			return hashed_filter
		end
def filter_to_hash(valid_filters, keys_case=:undescore)
			hashed_filter = {}
			filter.each do |key, value|
				hashed_filter[get_attribute_key(key, keys_case)] = solve_filter_value(key, value)
			end
			return hashed_filter
		end
Public : Returns the filter attribute as a Hash to SOAP requests

 Author:: jlopezn@neonline.cl

 filter - Hash with the filter values

 Returns:: Hash