Various improvements to the generic View code Among others: * Added the 'page' argument to the simple.errorResponse call * Pass the result of getEmptyKeyFields to edit() in create() * Fix typo's in error responses * Fixed a todo to properly redirect on create * Made editPost return something when the form is not valid * Added an _editGet hook Patch by: Sverre Rabbelier Reviewed by: to-be-reviewed

// Display a logging console on top of this page.
(new AH.LoggingConsole()).initConsole();
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