Genex: Add EQUAL expression.

Support decimal, hex, octal and binary literals.
cmTarget: Use strtol for numeric parsing.

On Windows apparently sscanf can not handle hex numbers.

Test that numeric comparison works with hex numbers.
Merge topic 'genex-numerics' into next

6a58e65 Genex: Add EQUAL expression.
a41abd1 cmTarget: Use strtol for numeric parsing.
Handle sign.
Report invalid content.
Merge topic 'genex-numerics' into next

e2c84c2 Report invalid content.
acf423b Handle sign.
Genex: Add EQUAL expression.

Support decimal, hex, octal and binary literals.
Merge topic 'genex-numerics' into next

7c7b4e9 Genex: Add EQUAL expression.