fixes
add llib_lsh, lsh fixes
lsh non-static errors
lsh: debug non-static
lsh global non-static
lsh fixes
lsh: fix var assign
fix in str_chrnul
lsh: fix set cmd
lsh: options and help mods
lsh: fix semicolon sep
lsh: fixes INT, polling signal
lsh: builtins..
lsh: ulimit builtin
llib_list_remove mod (remove a check) + lsh:fixes..
fix sys_wait2 status parameter + lsh:..
fix hash_list_enum job parameter
lsh: getopts builtin
lsh: split lsh_cmd.c into small files
lsh: fix external command launch