pwnlib 2.2 rewrite of context, logging, tubes, various bugfixes
Merge branch 'pwnlib-2.2'

Conflicts:
	pwnlib/gdb.py
	pwnlib/tubes/ssh.py
Migrate back-fill operation to _leak
asasdf
Added documentation and doctests
Change sizes to be sure to excercise search functionality
Make memleak doctest work
wipwip
Rework DynELF to use consolidated routines for resolution
Fix success spinner
Merge branch 'dynelf-consolidate-2.2'
Merge branch 'memleak-documentation-endianness-2.2'

Conflicts:
	pwnlib/memleak.py