v0.1.15

• Updated package URL and BugReports to renamed GitHub account "lance-waller-lab" (previously "Waller-SUSAN")
• Replaced methods::is() with inherits() and methods is no longer Imports
• Added maptools and RStoolbox to Suggests (used in the package vignette)
• Added CITATION file
• Fixed typos in documentation throughout
• Added future::plan(future::multisession) in tests to remove the files in temp directory
• Added links to sparr package in 'package.R'