+ - Added some isType() functions that make dealing with signed characters
+ easier without forcing variables via casts.
+
+ - Upgraded the included popt version to 1.10.2 and improved its use of
+ string-handling functions.
+
+ - Added missing prototypes for compatibility functions from the lib dir.
+
+ - Figure out if the iconv() function has a const arg to avoid a compiler
+ warning.
+
+ - Improved the use of "const" on pointers.