added a way to add several values with one method call
added a way to add several values with one method call

mnapoli/simplex,michabbb-backup/Pimple,jpauli/Pimple,RustJason/Pimple,RustJason/Pimple,fabpot/Pimple,jbboehr/Pimple,gomboc/Pimple,silexphp/Pimple,gomboc/Pimple,jpauli/Pimple,Ocramius/Pimple,jbboehr/Pimple,mcuadros/pimple-hack,arduanov/Pimple,fabpot/Pimple,jpauli/Pimple,arduanov/Pimple