• Update libm -> 0.2.1.

• Use semver trick to re-expect stb_truetype 0.3 with default-features on.

• Support no-std usage by disabling new default feature std.

stb_truetype = { version = "0.2", default-features = false, features = ["libm"] }

yanked

• Implement Copy for FontInfo.
• Implement PartialEq, Eq, Hash for Vertex, VertexType, Rect, HMetrics, VMetrics.
• Require byteorder 1.1 as a minimum to avoid compile errors with earlier versions.

• Fix get_glyph_shape panic with Consolas character \u{feff}.