ICD10gm 1.1

This is a minor update:

• Added new ICD-10-GM data for the year 2020
• Add reserved codes that are defined as needed after release of download files (e.g. COVID-19)
• Improvements to documentation and cross-referencing of functions
• New hex logo

ICD10gm 1.0.4

Minor updates in preparation for tidyr 1.0, primarily ensuring consistency of type.

ICD10gm 1.0.3

CRAN resubmission:

• The Description has been changed according to CRAN guidelines (Deleted “The ICD10gm package”)
• Examples have been added to the Rd files
• Vignette no longer evaluates web-scraping example
• Further minor improvements to documentation