- add support for MPA-server multisample format (produced by MPA >=3.4).The new MPA multisample format allows automatic parsing of sample descriptors. This way, users no longer need to explicitly list the sample descriptors for parsing by Prophane. - fix deprecation warnings for string escape sequences and pandas - improved error message for illegal accessions in proteomic search result: print illegal accessions instead of lists containing illegal accessions among legal ones