Merge pull request #28 from lukepaul/master

Width and height need to be in the integer range.
fix example templates
fix requirements
fix requirements
delete 2.6
fix travis
fix django example version
fix style of example
Add a Bitdeli badge to README
Merge pull request #29 from bitdeli-chef/master

Add a Bitdeli Badge to README
Merge pull request #30 from lukepaul/master

str objects must be treated the same as unicode in this case
django 1.6 compatibility
try catch to import url, patterns
Merge pull request #32 from josedeweb/master

django 1.6 compatibility
up to version 0.1.8
Replaces dependency pisa with xhtml2pdf, the new version of pisa.
Merge pull request #33 from Kisensum/master

Replaces library pisa with xhtml2pdf, the new version of pisa.
Dates are returned as local time rather than UTC