Toyplot 0.5.0

• Switched to https://travis-ci.org/sandialabs/toyplot for continuous integration testing.
• Switched to https://coveralls.io/r/sandialabs/toyplot to track test coverage.
• Added a custom CSS style -toyplot-anchor-shift for controlling horizontal text offsets.
• Added new documentation on color, text alignment, units, data tables, and table axes to the user guide.
• Callers can increase the number of table rows and columns when creating table axes from a data table.
• Overhauled Toyplot's handling of real-world units, allowing arbitrary units throughout the API, and made it explicit that the default canvas units are CSS pixels.
• Added axis visibility options to the convenience API.
• toyplot.data.Table can be converted to a numpy matrix.
• Positive angles yield counterclockwise rotation throughout the API, for consistency with trigonometry.
• Rendered text automatically expands a plot's domain to avoid clipping.
• Fixed a longstanding problem displaying mouse coordinates outside the data domain for a plot.
• Moved interaction-specific markup from the SVG backend to the HTML backend.
• When exporting data from a figure, only the caller-supplied data is exported.
• The API makes an explicit distinction between text used for "annotation" and text used for data.
• Many small fixes.

Toyplot 0.4.0

• Began continuous integration testing.
• Switched from ost.io to https://gitter.im/sandialabs/toyplot for support requests.
• Made the HTML backend the primary renderer.
• Improved logarithmic tick formatting and customization.
• Increased consistency between the fill() and plot() APIs.
• Simplified the way colors are inherited for line plots and scatter plots.
• Added basic functionality for reading and writing CSV files.
  • Note: for pedagical purposes only - Toyplot is not a data manipulation tool!
• Ongoing improvements to the table axes API:
  • Added support for table titles.
  • Added support for hiding table headers.
  • Table headers can have multiple rows.
  • Ensure that visible cells are rendered in a deterministic order.
  • Create a default grid line between table header and body.
  • Added support for user-configurable gaps between cells.

Toyplot 0.3.0

• Switched to toyplot.data.Table for all internal data storage.
• Reorganized the codebase into smaller, more focused modules.
• Added a new backend to produce WebM video.
• Data tables can be rendered to LaTeX.
• New table axes for rendering tables as data graphics.

Toyplot 0.2.0

• Introduced support for Python 3.
• Removed pure black from the default styling.
• Allow regression tests to run without optional dependencies.

Toyplot 0.1.0

• Initial Release