Intallation Instructions - Need to include "python3-dev" dependency

[coverband]

The install instructions with "$ pip install TA-Lib" may not work for everyone. While attempting to do this with Python3.4 in Ubuntu 14.04 (64-bit), I got this error:

    talib/common.c:8:22: fatal error: pyconfig.h: No such file or directory
     #include "pyconfig.h"
                          ^
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

The issue was a dependency on python3-dev. After running:

    $ sudo apt-get install python3-dev

I was able to install correctly using:

    $ pip3 install https://github.com/mrjbq7/ta-lib/archive/TA_Lib-0.4.9.zip

Thanks.

[mrjbq7]

Fixed in 38b56d6.