Update ParallelPay.cfm

Arguments mistake on ParallelPay.cfm sample.
Update totalShipping.cfc

Syntax error: variables must be declared after properties - should be within the init method
Update PayError.cfc

Properties cannot be declared twice, removing duplicate property 'error'
Merge pull request #1 from sigmaprojects/master

Arguments mistake on ParallelPay.cfm sample.