Release 4.0.3

[evolarjun]

This is an update for release 4.0.3 that includes StxTyper among other things.

Software and database format changes

• See https://github.com/evolarjun/amr/wiki/New-in-AMRFinderPlus/ for more details.
• StxTyper (https://github.com/ncbi/stxtyper) which accurately types full-length stx operons now included with AMRFinderPlus.
• Database filename changes to standardize filenames and make writing scripts easier (See https://github.com/ncbi/amr/wiki/New-in-AMRFinderPlus for more information).
• Column names in output have been changed to more closely other NCBI Pathogen Detection resources such as MicroBIGG-E.
• Point mutations can now be reported with symbols different from the standard format.
• The optional hierarchy_node field will now contain two node IDs for fusion proteins and stx operons separated by '::'.
• The ability to have different curated blast cutoffs at multiple levels of the hierarchy with the same reference protein has been added.
• The same protein can be used both as a reference gene to be reported and as the reference for point mutations.