Pycups

* cups.Connection.getPPD3()
* cups.Connection.getJobs() now takes optional requested_attributes argument.
* cups.Connection.getPrinterAttributes(): member-names is now always a list.
* cups.HTTP_NOT_MODIFIED constant.
* cups.PPD_ORDER_ANY constant.
* cups.PPD_ORDER_DOCUMENT constant.
* cups.PPD_ORDER_EXIT constant.
* cups.PPD_ORDER_JCL constant.
* cups.PPD_ORDER_PAGE constant.
* cups.PPD_ORDER_PROLOG constant.
* cups.PPD.emitString() method.
* cups.PPD.emit() method.
* cups.PPD.emitAfterOrder() method.
* cups.PPD.emitFd() method.
* cups.PPD.emitJCL() method.
* cups.PPD.emitJCLEnd() method.

* cups.Connection.cancelJob()'s optional second argument is now a keyword.

* cups.Connection.restartJob() now takes optional job_hold_until argument.
* cups.Connection.cancelJob() now takes optional purge_job argument.
* cups.setPasswordCB2() method.
* cups.Connection.moveJob() method.
* cups.IPPAttribute and cups.IPPRequest types.
* IPP state constants.
* cups.Connection.getDevices() now takes optional timeout argument.

* cups.Connection.getDevices() now takes optional limit,
exclude_schemes and include_schemes arguments.
* cups.Connection.getPPDs() now takes optional limit, exclude_schemes,
include_schemes, ppd_device_id, ppd_make, ppd_make_and_model,
ppd_model_number, ppd_product, ppd_psversion, ppd_type and
ppd_natural_language arguments.
* cups.ppdSetConformance() method.
* cups.PPD_CONFORM_RELAXED constant.
* cups.PPD_CONFORM_STRICT constant.
* cups.modelSort() now accepts Unicode strings.

* cups.PPD.localizeIPPReason()
* cups.PPD.localizeMarkerName()

* cups.Connection.getJobAttributes() now takes optional requested_attributes
argument.
* cups.Connection.getJobs() now takes optional limit and first_job_id
arguments.