Petascope_Parse struct cell types error

[Bang Pham Huu]

The problem is the cell type has " " for RGBSet, so it needs to be stripped first. Otherwise, this returns error when importing WMS layer with scale.

Progress: [------------------------------] 0/6 0.00% Service Call: http://localhost:8082/rasdaman/ows?service%3DWCS%26version%3D2.0.1%26request%3DInsertScaleLevel%26coverageId%3Dtest_wms_3d_time_series_irregular%26level%3D2
Error Code: 404
Error Text: Failed reading response from WCS service. Detailed error: Runtime error: Failed opening connection to 'http://localhost:8082/rasdaman/ows?service%3DWCS%26version%3D2.0.1%26request%3DInsertScaleLevel%26coverageId%3Dtest_wms_3d_time_series_irregular%26level%3D2'. Check that the service is up and running.Detail error: <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ows:ExceptionReport version="2.0.1"
    xsi:schemaLocation="http://www.opengis.net/ows/2.0 http://schemas.opengis.net/ows/2.0/owsExceptionReport.xsd"
    xmlns:ows="http://www.opengis.net/ows/2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink">
    <ows:Exception exceptionCode="NoApplicableCode">
        <ows:ExceptionText>Cannot find abbreviation for cell data type 'green char' from registry.</ows:ExceptionText>
    </ows:Exception>
</ows:ExceptionReport>
..