Values Refactor->Rename \n\n Rename of certain look strings to object.
Refactor
Some tests for additional mathematical functions
Resolve conflict.
readResolve() implementation
Merge branch 'master' into RenameLookVariablesToObjectVariables
Added additional mathematical functions
rewriting http to https-connection
tests may fail because of lack of https-connection
change test-connection to https too
refactor tests and exception messages
changed http-connection to Kevin Sawicki`s http-request library
improvement of error handling
Possible Quickfix for isssue #342
Optimization of manual screenshot #386

* Deleting manual screenshot member.
* Introducing automatic_screenshot.png.
* Adating testcases.
* Dropping unnecessary saveProject() call.
* Refactoring.
minor fixes
refactor up- and download tests, remove NullPointerException and lint error+warnings
refacter md5 test
Copy paste update
Merge branch 'master' into issue#342
Merge branch 'master' into RefactorManuallyScreenshot