error when pip install -U https://github.com/jkbr/httpie/tarball/master

[redguardtoo]

latest cygwin, Python 2.6.7

Error message:
`$ pip install -U https://github.com/jkbr/httpie/tarball/master
Downloading/unpacking https://github.com/jkbr/httpie/tarball/master
Downloading master (145Kb): 145Kb downloaded
Running setup.py egg_info for package from https://github.com/jkbr/httpie/tarball/master
Traceback (most recent call last):
File "", line 14, in
File "/tmp/pip-lpvG3J-build/setup.py", line 21, in
long_description=open('README.md').read(),
IOError: [Errno 2] No such file or directory: 'README.md'
Complete output from command python setup.py egg_info:
Traceback (most recent call last):

File "", line 14, in

File "/tmp/pip-lpvG3J-build/setup.py", line 21, in

long_description=open('README.md').read(),

IOError: [Errno 2] No such file or directory: 'README.md'

---

Command python setup.py egg_info failed with error code 1
Storing complete log in /home/chenbi/.pip/pip.log
`

[faulkner]

#24 should fix this.