Show version info of PySOM to be able to determine the cause of test failures

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Whitespace

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added test for support of System>>#fullGC

System>>#fullGC is expected to return a boolean indicating whether it performed a GC, however, old SOM VMs do usually return self, and do nothing in #fullGC.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Whitespace

Converted tabs to spaces.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added tests for `Interger fromString:` and `'string' asInteger`

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Ported Double asString test from CSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Ported array aggregation and copying tests from CSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Ported extensions to the standard library from CSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fixed bug with wrong boundary in Array>>#from:to:do:

Signed-off-by: Stefan Marr <git@stefan-marr.de>