- Introduce a new D_xy tag which takes x_source and y_source
 - The two sources are attached to a DataConsistentcyGroup. Only If the
   consistency group signalizes a consistent state, the data is updated

It basically decorated the AutoPropertyDescription with the type which
is now in AutpPropertyDescription

Parse "type" attribute for normal properties

Bubble up the type to the parent class

change type of macro pulse number PV to int64_t (as this is the data type expected by DOOCS) and convert if necessary via the TypeChangingDecorator

so far, only scalars work and the meta data (macro pulse number etc. is missing)

Fixed a type confusion between int64_t (aka long int on 64 bit platforms) and long long int. The types are not identical (in the C++ sense) but bit-compatible. ChimeraTK expects int64_t while DOOCS expects long long int.

fixed another uncought exception when converting e.g. an Inf from double to float (was still occurring for D_spectrum)

Do not stop server (even through assert -> undefined behaviour without Debug flags!) when trying to create a string array. Instead the property is simply ignored and a warning is printed.

changed DoocsFactory to not create unnecessary decorators of the wrong type when auto-creating variables. Test for spectra still failing

- Changes update to readLatest to allow consistent testing

started with tests for spectrum vs. array. Currently failing because of missing stuff, probably in the xml parser

renamed the intermediate function 'new_create' back to create, which had been removed after it was obsolete