gghilbertstrings 0.3.3

• moved to explicit call to cmath to overcome Solaris overloaded error.

gghilbertstrings 0.3.2

• fixed a bug that caused problems on Solaris

gghilbertstrings 0.3.1

• fixed a bug that caused problems on 32-bit machines.

gghilbertstrings 0.3.0

• updated RCPP code to use vectorized input (speed improved 2 orders of magnitude)

gghilbertstrings 0.2.0

• updated the coordinate system to always be rectangular by using base 4 instead of 2

gghilbertstrings 0.1.0

• added both functions required for plotting Hilbert curves from character columns
• Added a NEWS.md file to track changes to the package.