alien.libraries.finder: adding platforms.txt.
webbrowser: adding open-file support for pathnames.
spotlight: adding Spotlight search wrapper for Mac OS X.
spotlight: add docs for "mdfind.".
help.search: fix summary file name.
spotlight: fix bug with mdimport-with.
unix.users: Add utility word to find a user's home directory.
pcre: incomplete wrapper for libpcre
pcre: split the module into a ffi part and a main part for easier maintanability
pcre: lots of unit tests and a nice interface to the vocab in the findall and matches? words
pcre: add matches? and split verbs, now also handles tricky corner cases like zero-length matches
pcre: findnext algorithm improved
pcre: new module pcre.utils for the utility functions which aren't really regexp-related
pcre: correct directory structure to factors expected format
pcre: load dll on windows
pcre: encoding needs to be set to utf8
pcre: fix tc that failed on Windows
pcre: support for the regexp literal syntax from the regexp vocab
pcre: moved from basis/ to extra/
pcre: Stub documentation