add support for \e[1~ and \e[4~ escapes

[voldenet]

Those are default escapes for home/end on putty.

[rain-1]

This adds useful extra navigation commands familiar to putty users.

It affects the same area of code as https://github.com/antirez/linenoise/pull/147/files - I have verified that the 3 way merge succeeds cleanly.

looks mergable!

[rain-1]

Merged https://github.com/rain-1/linenoise/commit/4a20376db9de0f1721a572a16e7bdab0db32a62e