Changelog for xlsx-0.4.3

0.4.3

added (legacy) sheet protection support
switched to use r prefix for relationships namespace in workbook.xml to improve compatibility with readers expecting that prefix (thanks Stéphane Laurent laurent_step@yahoo.fr for reporting)
fixed parsing cells with comments but with no content (thanks Stéphane Laurent laurent_step@yahoo.fr for reporting)
added some higher-level helpers work with pictures in SpreadsheetML Drawing

added basic tables support
fixed boolean element parsing for rich text run properties (thanks laurent stephane laurent_step@yahoo.fr for reporting)
fixed problem of cwStyle not being optional (thanks laurent stephane laurent_step@yahoo.fr for reporting)
added basic autofilter support

fixed serialization problem of empty validations and pivot caches (thanks laurent stephane laurent_step@yahoo.fr for reporting)

implemented basic charts support with only line charts currently
added data validation support (thanks Emil Axelsson emax@chalmers.se)
fixed reading comments with empty author names (thanks Aleksey Khudyakov alexey.skladnoy@gmail.com for reporting)
implemented basic pivot table support
started using hindent to format library code

implemented number formats
fixed error of parsing "Default"s in content types (thanks Steve Bigham steve.bigham@gmail.com for reporting)
fixed parsing workbooks with no shared strings (thanks Steve Bigham steve.bigham@gmail.com for reporting)
changed the way sheets are stored to allow abitrary sheet order in a workbook
separated format information from other cell data in FormattedCell
implemented comment visibility (throught legacy vml drawings)

added basic images support
added "normal" cell formula support
added basic xlsx parsing error reporting (thanks to Brad Ediger brad.ediger@madriska.com)

added conditional formatting support
fixed reading empty subelements with defaults (thanks Steve Bigham steve.bigham@gmail.com)

fixed missing from parsing code font family value 0 (Not applicable) (thanks Steve Bigham steve.bigham@gmail.com)
fixed time type used in haddock example (thanks Manoj manoj.p.gudi@gmail.com)

fixed parsing shared string table entries with no content (thanks to Yuji Yamamoto whosekiteneverfly@gmail.com)

added style sheet support (thanks to Edsko de Vries edsko@well-typed.com)
added high level interface for styling (thanks to Edsko de Vries edsko@well-typed.com)
added sheet views support (thanks to Edsko de Vries edsko@well-typed.com)
added page setup support (thanks to Edsko de Vries edsko@well-typed.com)
switched from System.Time to Data.Time
added rich text support (thanks to Edsko de Vries edsko@well-typed.com) including shared strings
added a bit better internals for rendering (thanks to Edsko de Vries edsko@well-typed.com) and parsing

added lenses to access cells both using RC and XY style coordinates, RC is used by default

fixed use of internal function for parsing shared strings, previous change was unused in practice

added support for rich text shared strings (thanks to Steve Bigham steve.bigham@gmail.com)

fixed generated xml so it gets read by MS Excel with no warnings (thanks Dmitriy Nikitinskiy nikitinskiy@gmail.com)
improved shared strings collection by using Vector (thanks Dmitriy Nikitinskiy nikitinskiy@gmail.com)
empty xml elements don't get emmitted anymore (thanks Philipp Hausmann nikitinskiy@gmail.com)
imporoved and cleaned up core.xml generation