big patch from Martin:
- reuse filehandles
- memory leaks fixed
- earlier busy-flag checking with HD44780
- reuse memory for strings in RESULT and hash
- netdev_fast to wavid time-consuming regex
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@393 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
big patch from Martin Hejl:
- use qprintf() where appropriate
- save CPU cycles on gettimeofday()
- add quit() functions to free allocated memory
- fixed lots of memory leaks
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@384 3ae390bd-cb1e-0410-b409-cd5a39f66f1f