cmakelists: change version to v1.4.1

cmakelists: change version to v1.4.0

cmakelists: change version to v1.3.0

cmakelists: change version to v1.2.2

cmakelists: change version to v1.2.1

cmakelists: change version to v1.2.0

cmakelists: change version to v1.1.0

example: update example image

version: updates version to v0.5.6-beta

yomidbbuilder: fixes crash when attempting to add an invalid dictionary

libzip's zip_fclose() function does not no-op on NULL, so a check needs
to be performed outside the function.