using shuitl with larger buffer size for copying
using shutil with larger buffer size for copying (adjusted buffer size to 10MB)
implemented logic to only offer as many threads in the panel as will be used, in case of a single sequence, no panel will be shown and the localisation started with one thread
fixed bug triggered by multiple slashes in file path. added logger
fixed a bug with logger command
fixed localising of Read nodes with "start at" and "offset" settings