Fixed a bug in JSObjectProxy>>#doesNotUnderstand: The check for
an existing property was evaluating the property content. So
a missing property and an existing property with undefined value
both triggered MessageNotUnderstood.
Fix and tests are included
JSProxyObject >> asJQuery, allows `domObject asJQuery`
Kernel-Tests: add Number>>testHexNumbers
parser: fix range of valid hex chars
Kernel-Tests: add tests for invalid HEX numbers
Merge pull request #302 from herby/dom-asjquery

JSObjectProxy >> asJQuery, allows `domObject asJQuery`
Merge pull request #303 from mkroehnert/hex

fix parsing of hex numbers and add tests for it
Merge pull request #290 from noha/master

JSObjectProxy>>#doesNotUnderstand: treats undefined values as missing selector
ProfStef was broken; recompilation seems to fix it
ProfStef: rename JTalk to Amber + formatting
Merge pull request #305 from mkroehnert/profstef

fix Profstef
super initialize, small cleaning, Queue class comment.
Merge pull request #306 from herby/forkpool-cleaning

super initialize, small cleaning, Queue class comment
Added tests for send rcv/arg order.
No need for isValueNode test, this is checked in alias: anyway.
Aliasing all dependent nodes.

Fixes GH-296.
Global variable `result` not created anymore.
Merge pull request #307 from herby/gh-296

Fixes GH-296
Merge pull request #308 from herby/global-result

Global variable `result` not created anymore.
Fixes GH-297.

Also fixes issue similar for GH-296 for basic elements (that is, that associations) of DynamicDictionaryNode.