Merge pull request #47 in LFOR/fhirpath.js from feature/LF-2305/support-for-date-data-type to master

* commit '0419e25c1b52497d5a2bd57a711b318fe34dbafb':
  npm audit fix
  Updated README.md
  Updated README.md
  Removed implicit string to date/time conversion during comparison
  Support toDate(), convertsToDate(). Fixed access to resource date fields.

Author: yuriy-sedinkin

CHANGELOG.md

@@ -3,6 +3,14 @@
 This log documents significant changes for each release.  This project follows
 [Semantic Versioning](http://semver.org/).
 
+## [3.2.0] - 2022-10-28
+### Added
+- Functions: toDate(), convertsToDate().
+### Fixed
+- Date/Time arithmetic to make this expression work:
+  `Patient.birthDate + 1 day`
+- Removed implicit string to date/time conversion during comparison.
+
 ## [3.1.0] - 2022-09-14
 ### Added
 - function "as(type)".

README.md

@@ -212,6 +212,7 @@ Completed sections:
 - 5.2 (Filtering and Projection) "ofType"
 - 5.3 (Subsetting)
 - 5.4 (Combining)
+- 5.5 (Conversion)
 - 5.6 (String Manipulation)
 - 5.7 (Tree Navigation)
 - 5.8 (Utility Functions)
@@ -226,14 +227,6 @@ Completed sections:
 - 8   (Lexical Elements) - handled by ANTLR parser
 - 9   (Environment Variables)
 
-Almost completed sections:
-- 5.5 (Conversion) - unimplemented methods: toDate, convertsToDate.
-
-Also, because in JSON DateTime and Time types are represented as strings, if a
-string in a resource looks like a DateTime or Time (matches the regular
-expression defined for those types in FHIR), the string will be interpreted as a
-DateTime or Time.
-
 ## Development Notes
 
 This section is for people doing development on this package (as opposed to