tipa 1.0.8

• Switched from optimr to optimx.

tipa 1.0.7

• Fixed code style issue caught by lintr.

tipa 1.0.6

• Fixed syntax to adhere to lab code style.

tipa 1.0.5

• Removed write.csv() from examples.

tipa 1.0.4

• Moved examples to roxygen documentation.

tipa 1.0.3

• Added pkgdown site.
• Updated documentation.