container must be a proc to call for late binding

.set executes container and sends .set to element with value from model
Design is to carry pieces of code that define container and that define each element that composes pageobject
pageobject.set value and pageobject.value design
talk to individual elements too
define single watir_objects or compose with many watir_objects
green tests
add error class
fail KeyError fails faster
Added tests for use cases where multiple elements are composed as one aka decorators.
Merge pull request #1 from jmcintyre/master

Added tests for use cases where multiple elements are composed as one ak...
collection of page objects with similar pattern
factory?
wip james
reorganize in view page usage

Write code for the usage of a a client class modeling a page view
green reorganize tests
so a client is a class that behaves liek a page
wip