Do not discard the .debug section. If the builder would like to discard
this section, they can do so explicitly with objcopy.

Update debugging code

Fix for the latest nightly

elf.rs: do not inline constant from goblin library

SELFMAG is declared [here](https://github.com/m4b/goblin/blob/de8aecc8f1e7f3de7d66a1511d3976cdf0335e0c/src/elf/header.rs#L91).

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Migrate from collections

Add sys:syscall for seeing active system calls

Implement interrupt on signal in pipe:

Update to `bitflags` version 1.0

Capability mode support using null namespace

 Deduplicate memcpy, memmove, memset and memcmp functions