Rewrote trim/1 to also accept binaries and trim space, newline, linefeed and tab characters.
Rewrote trim/1 to also accept binaries and trim space, newline, linefeed and tab characters.

Added trim_right/1 and trim_left/1.

All are, for now, most efficient with binaries.

erlanger-ru/erlanger-ru.meta,erlanger-ru/erlanger-ru.meta,erlanger-ru/erlanger-ru.meta,erlanger-ru/erlanger-ru.meta,erlanger-ru/erlanger-ru.meta