Changes in Brython version 2.1-20140512-212937
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Brython 2.1.1 is a backwards-compatible version

New features
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- the main change in this version is a rewriting of the import script py_import.js, supporting the options available to import modules from the standard distribution ; these options are necessary to speed up imports, which involve Ajax calls in different locations
- this lead to a change in the structure of the script py_VFS.js : modules are indexed by their name, not their path

- modify builtin help function so if no arguments are passed, we default to 'help'
- improve speed of "for" loops by adding a method "__getitems__" to some buitin types
- improve exception reporting for callback functions of DOM events 

Bug fixes
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- bugs in the built-in module browser.markdown
- module dot bug (xml.sax.xmlreader)
- bug for attributes __code__ and __globals__ of function type

- issue #242 : HTTP 404 Not Found if brython is deployed in sub-path
- issue #243 : Property decorator inheritance is broken 
- issue #247 : Expression fails when comparing lists 
- issue #248 : decorators don't work as expected

Demos
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- no change

Standard distribution
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- no change

Documentation
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- portuguese version updated by Yuri Texeira
- add a section on the <= operator in the FAQ page