bump to 1.7.1

docs for writing data to disk

Bump version name in binary

Merge pull request harelba#143 from harelba/v1.6.0-release-test

V1.6.2 stuff

Added control over max field size + info when failing on this

v1.6.0

Fixed rpm spec to remove changelog from documentation

Removing "not released yet" comment...

Fixed README file

Lots of changes preparing version 1.3.0b (beta). See below

- Added column type inference, still needs to be tested
- Added column name detection when using -H
- Added a test suite, in preparation for full refactoring
- Added parsing mode flag - strict, relaxed of fluffy (a.k.a old behavior mode)
- Breaking change - Changed -H behavior so it's now a flag an not a parameter (1 line always)
- Fixed tab delimition parameter problem
- Some more better error reporting
- Removed engine v1, including engine parameter. Support for mult-char delimiters has been removed - breaking change