isoband 0.2.7

• Remove compile-time dependency on testthat.

• Changed maintainer after the original author (Claus Wilke) donated codebase
  to r-lib.

v0.2.6

Fix testthat headers for clang 15.0.0.

v0.2.5

Fix testthat headers.

v0.2.4

Remove compile-time dependency for testthat.

v0.2.3

Make compatible with testthat 3.0.

v0.2.2

Remove Rcpp dependency.

v0.2.0

This release introduces labeled isolines.