Rename

Renamed funcio_calculBlob to blobOperator, better readability.
new enums, rename, Filter overload with new enums

new enums FilterAction and FilterCondition, old #define left for
compatibility.
Renamed funcio_calculBlob to blobOperator in function calls.
Added an overload of the Filter function to accomodate the new enums.
Test line

added a commented line showing how to call the filter function.