[FEATURE] Fix TYPO3 version

[!!!][FEATURE] Add compatibility to TYPO3 9.5, require PHP 7

Fix version constraint

There was a version constraint discrepancy between the composer.json and
the ext_emconf.php which is solved now.

Also a bugfix for some rare use cases where the user object would be
empty when getHREF is called is checked now.

Version 2.1.1 - 2018-01-29 Christopher Schnell <[email protected]> * versio…

…n 2.1.1 of cabag_loginas * Fixed Bug in composer.json

* version 2.1.0 of cabag_loginas

* Starting to move towards T3V9
* Moved TCA Overrides to their correct folders
* removed old comments and cleaned up
* dropped 6.2 compatibility
* version 1.3.28 of endriss_cart
* Removed console.log call from javascript
* added composer.json

Version 2.0.5 - 2017-11-27 Xiaoling Peng <[email protected]> * version 2.0.…

…5 * fixed Classes/Hook/RecordListHook.php: makeControl to remove foreach ($cells as $key => $value) - #43266

Version 2.0.4 - 2017-11-23 Surena Golijani <[email protected]> * version 2.…

…0.4 * edited Classes/Hook/ToolbarItemHook.php getLink(): check if form of an unsaved new user is displayed to prevent error: Unknown column 'NEW5a168f878d66b716571009' in 'where clause', working on issue #43251