beremiz

file isExecutable
add custom TextCtrl allowed to enter long integer with bounds checking

It's needed because wx.SpinCtrl supports only 'int' type. For UDINT
and (U)LINT long type is necessary.
<xsd:element name="Generic">
<xsd:complexType>
%(toolchain_makefile)s
</xsd:complexType>
</xsd:element>