wqbc v0.3.1

• Exported previously internal-only function convert_values to do unit conversions (#70).

wqbc v0.3.0

• Added function set_non_detects() to flexibily deal with values below the
  detection limit (#73)
• Added flexibility in dealing with non-detects to tidy_ems_data() and tidy_ec_data() (#73)

wqbc v0.2.1

• Fixed a bug where substitute_variables() matched too many variables (#72)

wqbc v0.2.0

Set EMS non-detects to 0 based on RESULT_LETTER

- Retain RESULT_LETTER as ResultLetter
- Allow retention of arbitrary EMS columsn

wqbc v0.1.0

Initial release

wqbc v0.0.0.9006

calc_wqis now calculates 95% bootstrap confidence intervals by resampling with
replacement on rows for 10^3 replicates

wqbc v0.0.0.9005

Released new version number as wqdata now dependent

wqbc v0.0.0.9003

Completed coding of all functionality.

wqbc v0.0.0.9002

• Finalized limits.csv and codes.csv files