IDE+Runtime: fix exception when reconnecting with non-empty trace/force list.
Sometimes, remote call to SetTraceVariableList returned None just after reconnecting:
- changed caller to accept None (in case of connection problem)
- changer SetTraceVariable list to return 4 (DEBUG_SUSPENDED) if debug is suspended
<xsd:element name="Win32">
<xsd:complexType>
%(toolchain_gcc)s
</xsd:complexType>
</xsd:element>