port line buffer from bambamc (C) to libmaus (C++)
add IntegerInterval comparator and fix merging method
make Histogram copyable and add const qualifiers on some methods
bump version after adding LineBuffer class
add SamInfoBase class
add slow getRefIdForName method in BamHeaderLowMem
fix output queue flushing in BamStreamingMarkDuplicatesSupport
add (incomplete) support code for sam file input
bump version after fixing output flushing in streaming duplicate marking