Libhxl

New features:
- can sniff the file type (CSV, XLS, or XLSX) without relying on the file extension
- will scan an Excel workbook for the first HXL sheet
- improved date parsing for Excel
- all scripts now have a --sheet argument to pick a sheet in an Excel workbook, and a --strip-tags argument to remove HXL tags from the output

Updates:
- new filters/utilities hxlappend (append two datasets) and hxlreplace (replace text in a dataset)
- option to allow or forbid opening local files
- better hxlmerge support
- schema support for validating values against another dataset (controlled vocabularies)

Major changes:
- Use the new HXL 1.0 beta tags for the CountFilter (and hxlcount), and in the built-in default schema.
- Add support for using extra HXL datasets as taxonomy sources during validation.
- Much internal code refactoring.
- Many more filters available now as methods on hxl.model.Dataset

Major refactoring of libhxl, simplifying usage to be similar to Javascript libraries like D3 or JQuery. For example, to open a HXL file, select only rows related to the WASH sector, then print it back out, you could use this code:


from hxl import hxl

hxl_url = 'http://example.org/sample.csv'
for line in hxl(hxl_url).with_rows('sector=WASH').gen_csv():
print(line)


See README.md for details.

Stable beta release of the Python HXL library. Contains corrected documentation, and some major renaming to conform better to Python conventions.

Beta release of the Python library for the [Humanitarian Exchange Language](http://hxlstandard.org) (HXL).

Major changes:
- Modified to support the proposed new tag-attribute model for HXL 1.0 beta, e.g. org+ngo
- Filters can accept "-" as well as "+" for attributes, to require or forbid specific attributes in a match
- New hxltag filter for tagging a non-HXL tabular data source on the fly
- No longer support language modifiers or compact-disaggregated syntax from the alpha version of HXL