Tags

* Fixed bug in `sigmagap` and made missing guessing more robust.
  * Fixed checks on missing code detection failing for `logical`.
  * Fixed a damaged check for numeric threshold values in `acc_margins`.
  * Fixed wrongly named `GRADING` columns.
  * Improved parallel execution by automatic detection of cores.
  * Tidy html dependency

Some bug fixes, some more tests and documentation updates

Some bug fixes and documentation updates

Updated version with fixed extended CRAN-Tests:
- Damaged CITATION file fixed
- BSD like platforms had trouble with timezones and with missing pandoc for the vignette.
- Fixed a bug in counting limit violations for a warning message have been fixed.

Additional Fixes:
- Fixed a very specific issue: If running dataquieR from a crafted environment could cause the error handlers to fail. 
- Fixed one inaccurate argument description in the Manuals. 
- Excluded some spuriously slow (only on RHub) examples from testing.

CRAN RC v1.0.3

* Skipping some of the slower tests on CRAN now. On my local system,
  a full `devtools::check(cran = TRUE, env_vars = c(NOT_CRAN = "false"))`
  takes 2:22 minutes now.

CRAN RC v1.0