*** empty log message ***
Fix from @mn200 buglet in `Redblackset.isSubset`

Empty sets were only subsets of empty sets.
Update README
Update email for kfl
Merge branch 'Rel-2.10'
Fix .gitignore format
Update the help system to somewhat deal with qualified identifiers
Fix .gitignore format
Delete Redblackset in favor for Rbset
Updated various READMEs
Update version and date
Update documentation for overview of mosmllib
Refresh generated HTML documentation
Minor (incomplete) update of PDF manual
Refresh generated documentation
Update install dir
Update index.html for the htmlsigs
Update (really old) email for Ken
Include `string.h` (for `memmove`)
Fix `lvalue required as left operand of assignment` error