build: Update list of exported symbols.

Signed-off-by: Cyril Hrubis <metan@ucw.cz>
core: Cleanup the GP_Pixel(SN)Print functions.

Signed-off-by: Cyril Hrubis <metan@ucw.cz>
pylib: Propagate floor() and ceil() to templates.

Signed-off-by: Cyril Hrubis <metan@ucw.cz>
tests: core: Add GetSetBits test.

Signed-off-by: Cyril Hrubis <metan@ucw.cz>
core: Fix warning on GP_GET_BITS(0, 32, val).

The change is cosmetic as the generated code remains the same
(at least for x86_64).

Signed-off-by: Cyril Hrubis <metan@ucw.cz>