* Fix for issue 373
* Fix for issue 381
* Fix for issue 204
* Internal tools now use OkHttp library for all resource fetching
* Added testing for network tools
***NO_CI***
* wip
* tests all pass with log outputs identical to original...is it better now? I don't know.
* proxy works, adding a test and docs next
* more cleanup and test fixes
* left in testing file
* didn't need that code anymore
Validator:
* Fix bug in unknown URL handling that could cause significant delays in validation (>1min / unknown URL)
* fix bug in processing excludes with filters in value sets
Other code changes:
* fix case problem with icons in questionnaire rendering
* fix problem with rendering nested slices on content references
* fix rendering on must-support view for must-support on types and target profiles
***NO_CI***
Validator:
* fix problem with min getting set to 1 on slices.
* fix problem with element definition resolution in profiles for contentReference
* don't apply warning about reference content when it's used as a pattern
Other code changes:
* fix problem with rendering unchanged terminology bindings in profiles
* fix problem rendering canonical URLs with | in them
* fix problem rendering multiple manifestations for an allergy reaction
* fix for NPE in version string comparison
* add styling when adding markdown to table
***NO_CI***
* fix problem with element definition resolution in profiles for contentReference
* fix problem with rendering unchanged terminology bindings in profiles
Validator changes:
* (none)
other code changes:
* fix bug when converting positiveInt between versions
* fix bug raising error when processing bundles
* don't use prism for big binaries when rendering library
* fix parameters renderer to create proper anchors
* Don't render id/base/other properties of Resource itself in auto-narrative generator
* fix bug where extension values not generated for simple extensions
* fix bug rendering content references in profiles
***NO_CI***
