Add exception return types and remove_mailbox function to kernel header file
Change set_ticks argument name
Create the squeleton of the kernel implementation file
Beginning of the create_task implementation
Implementation of init_kernel
Implementation of init_kernel
Add prototypes of inserting and extracting functions
Merge branch 'list_managing' into first_implementation
Update .gitignore with Doxygen config file
Comment kernel.c file
Update .gitignore with all documentation files
Merge branch 'list_managing' into first_implementation