* brand new integer evaluation code, with precise evaluation
* and checks
* new hash table implementation, with binary trees
* relaxed attitude on failed `##' operators
* bugfix on macro definition on command-line wrt nesting macros
* support for up to 32766 macro arguments in LOW_MEM code
* support for optional additional "identifier" characters such
* as '$' or '@'
* bugfix: memory leak on void #assert
PR: 54989
Submitted by: Mark Linimon <linimon@lonesome.com>
Approved by: fjoe (mentor) (implicit)
