fixed typo in README.rst and docs/index.rst
fixed typo again
better wording
added the slide in index.rst
make it not so big
bigger semms ok
added Travis CI badge in README.rst
Merge pull request #7 from xKerman/add-travis-badge

Add travis badge in README
updated the pos of build status img
moved build status img to the top
better doc
better connection context
look better
another blank line
removed unnecessary import
put the directions to the top
better comments
added db.py
list comp is enough
make all cursors share a conn