Add clipboard support on Cygwin with putclip

* Add putclip from cygutils-extra as a command for clipboard_open and
  mention it in the docs.
* Add lpass.exe to .gitignore.

Signed-off-by: Douglas Thrift <douglas@douglasthrift.net>
add a few more patterns to .gitignore

Signed-off-by: Bob Copeland <copeland@lastpass.com>
add embeddable doubly-linked lists from Linux

This will provide some better primitives for manipulating the lists
while allowing accounts to be on multiple lists at the same time.

Signed-off-by: Bob Copeland <copeland@lastpass.com>
add find_matching_accounts() which returns multiple matches

This will subsequently be used to allow show.c to better handle
multiple matches.  For now, find_unique_account uses this machinery
and aborts (as before) if multiple matches are found.

Signed-off-by: Bob Copeland <copeland@lastpass.com>
show: display multiple matching entries

When an account name is listed more than once, currently lpass
will just exit with an error when searching on that name.  Instead,
list all the ids so the user can display them both.

Signed-off-by: Bob Copeland <copeland@lastpass.com>
add export command for CSV export of vault

Add a new export command that allows batch exporting of the vault
in CSV format, which can be re-imported via a LastPass plugin.  The
output is unencrypted but can be re-encrypted by piping to gpg or
similar.

Signed-off-by: Evan Johnson <evan@lastpass.com>
Signed-off-by: Bob Copeland <copeland@lastpass.com>
use /bin/sh for sudo example scripts

No real reason to require bash, so avoid shellshock-type
issues here.

Signed-off-by: Bob Copeland <copeland@lastpass.com>
Merge pull request #30 from douglaswth/cygwin_putclip

Add clipboard support on Cygwin with putclip
Updated README to be more markdowny and fixed typo

Signed-off-by: David Haberthür <email@davidhaberthuer.ch>
Merge pull request #36 from habi/master

Updated README to be more markdowny and fixed typo
readme: lastpass-cli is available using homebrew

Signed-off-by: Stian Eikeland <stian@eikeland.se>