Updated version number and release docs
Bump minimum numexpr version
Formatting
Style
Updated version number and release docs
Bump minimum numexpr version
Formatting
Style
Merge branch 'release-3.0' of github.com:scopatz/PyTables into release-3.0
Move open functions to the bottom of the file
Filenode now is compliant with the interfaces of the standard io module (see gh-244)
Code cleanup
Update doc for the filenode module (closes gh-244)