Changed time.localtime to return proper date

time.localtme would always return current date. This resulted in odd
behaviour when using datetime.datetime.fromtimestamp and
datetime.date.fromtimestamp
Web Groups Styles
add requestFullScreen function, add py_import_hooks to make_dist.py script
fix import hooks bug that returns false (instead of null) when module not found
remove requestFullScreen code (does not work)
added more HTML tags to fix issue #23
modified docs to take into account the changes in the html module
modified the list of html tags for better performance
allow post with urllib.request.urlopen
allow post with urllib.request.urlopen
fix params. is undefined error, when ajax is sent string data
fix bug introduced for ajax when dealing with strings
Merge pull request #26 from kikocorreoso/master

Modification of module HTML to include several tags (fix issue #23)
Merge branch 'master' of github.com:brython-dev/brython
fix issue with time.localtime when converting to date from seconds from epoch
Update readme
Huge set of changes in core Brython scripts : new names and namespaces management
Minor changes in standard library
Update tests
Update tests (most changes related to interaction with Javascript libraries)