Merge branch 'release/0.4' into develop

* release/0.4:
  bump 0.4
Fixes an URL in README.
Merge pull request #48 from BertrandBordage/patch-1

Fixes an URL in README.
Update install.rst
Merge pull request #50 from Mbosco/patch-1

Update install.rst
Add timezone support to csv and xls export
Merge pull request #52 from joelryan2k/develop

Add timezone support to csv and xls export
open 0.5 alpha
fix mass_update bug that caused all records in a table to be updated when selecting over one page of records
Merge pull request #53 from jht001/develop

fix mass_update bug that caused all records in a table to be updated whe...
updates CHANGES
bump 0.5
Merge branch 'release/0.5'

* release/0.5:
  bump 0.5
  updates CHANGES
  fix mass_update bug that caused all records in a table to be updated when selecting over one page of records
  open 0.5 alpha
  Add timezone support to csv and xls export
  Update install.rst
  Fixes an URL in README.