update: Sync odtphp lib (fix a lot of bugs and add a few functionalities)

Ref: https://github.com/lrq3000/odtphp/commit/b4e02a1306f4d5888b076dea808effe449b9cf3d

Signed-off-by: Stephen L. <lrq3000@gmail.com>
Merge pull request #811 from lrq3000/develop

update: Sync odtphp lib (fix a lot of bugs and add a few functionalities)