ActivityIndex 0.3.7

• S3 dispatch for computeActivityIndex and GT3XPlus object now done.
• Fixed typos
• Fixed noLD issues in the examples

ActivityIndex 0.3.6

• Example for computeActivityIndex added, taken from vignette.
• print methods for S3 ActivityIndex object created.

ActivityIndex 0.3.5

• Vignette now in Markdown.
• Site is built using pkgdown::build_site.
• CRAN release version.

ActivityIndex 0.3.4

• Adding tests with testthat.
• Added conversions to data.table when necessary.
  
• Fixing docs with \code accidentally in there.

ActivityIndex 0.3.3

• Added a NEWS.md file to track changes to the package.