Additional documentation and doctests
Merge branch 'v2-elf' of https://github.com/zachriggle/pwntools into zachriggle-v2-elf

Conflicts:
	pwnlib/elf.py
Merge branch 'zachriggle-v2-elf'
Some pylinting
Added README to the examples directory
version bump to 2.1.2
Added the file docs/requirements.txt as a test for readthedocs
More readthedocs testing
version bump to 2.1.3 -- I really should have included this in 2.1.2
Fixed #46
Some more readthedocs
Better links on readthedocs
Fixed #48
Fixed typo
Single point for ldd, male ELF.libs and SSH.libs return consistent output of {full local path: ldd address}
Typo
Made _raw_sh_string from tubes.ssh public and put it into util.misc
Merge pull request #52 from zachriggle/patch-5

Typo
Introduce ssh.set_working_directory
Move prepending 'cd %r' into the ssh_channel after the command has been printed, to prevent cluttering the screen