Update README.rst

Fixed two mini-typos.
Merge pull request #68 from piskvorky/patch-1

Update README.rst
blosc -> python-blosc in README
setup.py: fix use of unknown compiler flag
Merge pull request #70 from andreas-schwab/master

setup.py: fix use of unknown compiler flag
Revert "Merge pull request #70 from andreas-schwab/master"

This reverts commit ba90ce5681d62a23e01e9bb57886e45211dc7086, reversing
changes made to 6abaa0ba61c72be75c3da87aec92cb3799f193d7.
Removed the -msse2 flag, as it is not needed anymore with modern gcc.  Closes #70.
Adding the -msse2 flag, but just for 32-bit Intel arch.  See PR #70.
wrapping set_blocksize
add documentation for set_blocksize
Merge pull request #72 from esc/set_blocksize

wrapping set_blocksize
update changelog