Support.php: rewrote appendTypo3ParameterToArray() to use Typo3 Store instead of _GET Parameter. Moved randomAlphaNum() to Support.
Link.php: rewrote handling of ToolTip. Renamed doHtmlUrl() to doAnchor().
Utils.php: moved randomAlphaNum() to Support.
Store.php: rewrote fillStoreClient() to be more compatible with phpUnit-test environment. Removed randomAlphaNum() - duplicate in Support.
AnbstractBuildForm.php: rewrote deriveNewRecordUrlFromExistingSip() to use generic Support::appendTypo3ParameterToArray()
Coding.md: Notes for debuggging.

Link.php: Button 'edit/new/show/delete/info' do not assign class internal/external.
Store.php, Constants.php: TYPO3_PAGE_LANGUAGE implemented. TYPO3_PAGE_ID, TYPO3_PAGE_TYPE renamed.

Link.php: Whole class refactored. Errors now reported via UserReportExtension. Access to array 'vars[]' now unified via constants. Number of build*() Functions reduced. Handling of default values simplified.

Link.php: refactoring for implementing unittests

Link.php, Report.php: starting with cleaning up class Link. Constructor purified, enhanced error reporting might be later implemented again.
AbstractBuildForm.php, BuildFormBootsrrap.php, BuildFormTable.php: renamed getAttribute() to doAttribute()
LinkTest.php: starting creation.