Adds missing modules chapter, this will require adding __all__ details later on.
docbook converion typo fixes.
defined string s value
Updated to 0.3.alpha1
Updates variable name to fobj from just f.
Merge pull request #13 from kumarpraveen/typos

defined string s value
Rectified some typos.
Merge pull request #14 from iamsudip/new

Rectified some typos.
Modified no of tabs, line, spaces program & Corrected typos