added automake option to unit tests be serial. The new version of automake (>=1.13) has AUTOMAKE_OPTION=parallel-tests by default... and this drop the control of tests from CUnit.
Useless assert and invocation of malelf_binary_create in shellcode.c
Added error handling
Added new variadic method called malelf_binary_init_all() to handle init of multiple MalelfBinary in one time.