Code Reformatting (PSR-1, partly PSR-2)

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Refactored JsonBody option inclusions + Code Reformatting (PSR-1, partly PSR-2) + made client-internal options underscored

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Extended/Changed tests to reflect changes since version 1.2.0-BETA1

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Small fixes for phpDoc

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Regenerated docs

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Merge pull request #41 from frankmayer/devel

More refactoring, introduced underscored internal options, more tests, code reformat (PSR-1, partly PSR-2)