(;; Keywords:): Changed to "abbrev".

(;; Keywords:): Changed to "abbrev".
(hippie-expand-ignore-buffers): New variable.
(he-regexp-member): New function.
(hippie-expand-try-functions-list): Added `try-expand-list'.
(try-expand-line-all-buffers, try-expand-list-all-buffers,
try-expand-dabbrev-all-buffers): Use `he-regexp-member' and
`hippie-expand-ignore-buffers'.
(he-list-search): Don't find list containing point.
(he-dab-search-regexp): Just match at beginning of words.
(he-dabbrev-beg): Never move point forward.