pre2.3.0 change 118: updated copyright year; added fswalk.hlp
pre2.3.0 change 119: Added lchown intrinsic
pre2.3.0 change 120: Added SLpath_getcwd API function.
pre2.3.0 change 121: slsh.c modified to use SLpath_getcwd instead of ".".
pre2.3.0 change 122: SLpath_dirname modified to support Windows network drives, and do some ./, ../ expansion.

See the corresponding entry in changes.txt for details.
pre2.3.0 change 123: badlinks script updated to use fswalk functions.
pre2.3.0 change 124: documentation updates
pre2.3.0 change 125: slsh copyright year updated.
pre2.3.0 change 126: undef'd HAVE_CHOWN/LSTAT in slconfig.h, removed dead code from slposdir.c, removed a shadowed variable from slpath.c
pre2.3.0 change 127: documentation updates (fswalk, jsonfuns)
pre2.3.0 change 128: Additional json-module tests.
pre2.3.0 change 129: Allow the function called by array_map to return NULL.