intentrace v0.4.0

• split syscalls_map.rs into syscall_skeleton_map.rs and syscall_object_annotations.rs
• SyscallObject struct separated into two structs vis a vis skeleton and annotations
• some fields in SyscallObject are removed
• the child field is now process_pid
• small functions created
• one_line_error is now a method
• many changes and refactoring of fn pavfol & fn parse_return_value_one_line et al.
• Iterator implementation for SyscallObject removed
• fn build also split vis a vis skeleton and annotations separation
• SysDetails no longer exists
• requesting the annotated version of syscalls is shown as available in the help, but it's disabled, to be enabled in 0.5.0 or later
• syscalls that aren't one_line enabled no longer show the annotated version as a fallback, this will also be reversed in 0.5.0
• noticeable performance improvements overall