Release v0.0.6

• LayerSegmentsImageSegmentationReader now suggest using --lenient flag in exception in case image not binary
• added the discard-by-name filter that allows user to discard images based on name, either exact match of regexp (matching sense can be inverted)
• requiring seppl>=0.2.10 now
• added support for aliases
• added to_bluechannel, to_grayscale and to_indexedpng image segmentation methods to idc.api
• added the generate_palette_list method to idc.api which turns a predefined palette name or comma-separated list of RGB values into a flat list of int values, e.g., used for indexed PNG files
• exposed method save_image through idc.api
• filter-labels now handles not specifying any labels and only regexp
• write-labels filter now allows specification of custom separator
• write-labels: fixed retrieval of image-segmentation labels
• using simple_palette_utils dependency now
• idc-convert tool now flags aliases on the help screen with *
• the from-voc-od reader now has the -r/--image_rel_path option which gets injected before the folder property from the XML file