v0.3.9

• Udpated S3 methods to be consistent

v0.3.8

• Updated tests to appease Boost (BH)
• Updated Rcpp and BH dependency requirements

v0.3.7

• fixed gcc-ASAN valgrind error

v0.3.6

• updated interleave code
• validate na_colour hex input issue70
• Bug fixed for na_colour when include_alpha = FALSE issue 69

v0.3.5

• return interleaved vectors (C++ only)
• patch for failures on rdevel

v0.3.4

• removed Boost dates
• running self-contained boost headers
• removed ggplot2 from readme and suggests

v0.3.3

• updated cubic_b_spline to cardinal_cubic_b_spline - issue61

v0.3.2

• fixed updating-by-reference issue 60
• get_palette() gets a rgb = TRUE argument issue 58

v0.3.1

• get_palette() for returning 256x3 matrix of colorus
• factor-level order maintained in summary
• lists supported
• Added palette row check function inside .hpp files
• BH -DBOOST_NO_AUTO_PTR flag

v0.2.2

• [0,1) alpha values treated as percentage issue 37
• Fixed NAs in character summary values issue 42
• Improved handling of Dates in summary values

v0.2.1

• show_colours() to plot all colour palettes
• added more colour palettes. Use colour_palettes() to list them
• fix NA values in summary issue 39
• alpha now accepts fewer than 5 values when using a vector

v0.2.0

• alpha can accept [0,1) values to indicate a percentage
• format, summary, n_summaries arguments for returning summary colours (for use in legends)
• convert_colours() function exposed to R to convert between hex-rgb issue 14
• speed improvement for internal hex-to-RGB conversion
• speed improvement for NumericVectors issue 26
• updated headers with more inline statements
• Added a NEWS.md file to track changes to the package.