Bug correction : file iterator and adding string implicit conversion
Merge pull request #59 from artas360/master

Bug corrections : file iterator and adding string implicit conversion
Update TODO list

* Reflect Pierrick's current activity
* Add benchmarking idea
Rework core::file::readline implementation

* Avoid useless redundancy between core::file::readline() and
  core::file::readline(size_t)
* Fix a bug due to using size_t instead of ssize_t
* Fix performance issue by using a thread-safe static storage
* Fix string interface usage
Fix performance and conformance issue in string to long conversion

* std::stringstream proved to be very slow (additional copy?), using
  strtol instead is *really** faster
* raise an exception if conversion failed
* test the whole stuff
Fix memory leak in last implementation of file.readline()
Merge pull request #62 from artas360/master

Fix memory leak in last implementation of file.readline()
Make the ``in'' intrinsic compatible with generators

No const reference because iterating over a generator modifies the
generator.
Fix tuple unpacking in generator

When unpacking a tuple, a local variable is created, but it should be
made a member as other variables when in a generator, or bad things
happen.

This commit clauses #60.
Merge branch 'master' of github.com:serge-sans-paille/pythran
Fix bug in aliasing handling in except handler

Forward the visitor properly, closes #63.
Fix bug in string formatting

Plain " in a string should be slash-protected.
Add support for the ord intrinsic
Fix return_alias implementation
Add replace method from str module

This unlocks euler22 and eulereuler42 :-)
Rework class hierarchy in intrisic.py

So that function intrinsic can also have a combiner.
PEP8 compliancy
Add python version used inside the README
Add opertor module (first part)
Add some functions for Serge. Bug remain with add and truediv/__truediv__ don't give the same result as python one's.