Improve command line integer parsing a little in lzma and lzmadec to make them accept also KiB in addition Ki etc. Fix also memory usage information in lzmadec --help.
Improve command line integer parsing a little in lzma and
lzmadec to make them accept also KiB in addition Ki etc.
Fix also memory usage information in lzmadec --help.

pombreda/go-liblzma,pombreda/go-liblzma,pombreda/go-liblzma