Fix annotation bug.

Would not skip annotation meant for another strip.

Use full data extents with x-axis control widget.

v0.4.2

Use full data extents with x-axis control widget.

Significantly improve xaxis position control.

v0.4.1

Try to better match what was done in Gtk/Cairo.

Change layout API to be proportional to w & h.

Also specify BoundingBox[] @ Multiplot level.

Add support for custom tick labels.

Add more supported dependency versions.

Also fix version (Jumped over v0.3.10!)

Add support for strip labels.

Also:
Provide means to hide x-axis control widgets: Hidden by default.
Improve layouts/styleshees and how labels are drawn.
Draw text using pango (better support for fonts/unicode).
Tweak how exponents are displayed.
Improve documentation.

Add capability: layout editor mode.

Also:
Add new menus: [Toggle legend], [Layout adjust mode].
Break up documentation into files.
Clean up code a bit.

Add support for heatmaps & cleanup codebase.

-Deprecate overlapping structs:
    Plot2DInfo/StripInfo/Graph2DInfo/PCanvas2D.
-Replace with RPlot2D/RStrip2D.
-set/get(x/y)extents_axis -> set/get(x/y)extents_aloc
-Update docs (.md files).
  -Move info about interfaces into .md files.
-Accept externally-provided color scales.
-ColorMap -> ColorScale
-Transform1DNormToARGB -> Transform1DToARGB
-Settle on new nomenclature for coordinate systems.
  -map2dev -> apply: forward mapping
  -map2dev(pos::Pos2DOffset, ...) -> axis2dev(...)
  -map2axis -> data2aloc/dev2aloc
  -map2axis -> apply_inv: Reverse mapping with Point2D or Vector2D
  -axis2read -> aloc2axis
  -read2axis -> axis2aloc

Add close() and clear_data() functions.

Also:

• Make compatible with Julia [1.0,2.0)
• Add "test" target to Project.toml

Add support for Project.toml

Also:

• Deprecate REQUIRE file.
• Remove support for Julia < 1.0.