reform 0.1.0

A symbolic manipulation toolkit which aims to handle expressions with billions of terms, taking up terabytes of diskspace.
Documentation 
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$exp = 6;


$a = (1 + 3*x1 + 5*x2 + 7*x3 + 9*x4 + 11*x5 + 13*x6 + 15*x7)^$exp - 1;
$b = (1 - 3*x1 - 5*x2 - 7*x3 + 9*x4 - 11*x5 - 13*x6 + 15*x7)^$exp + 1;
$g = (1 + 3*x1 + 5*x2 + 7*x3 + 9*x4 + 11*x5 + 13*x6 - 15*x7)^$exp + 3;

inside $a,$b,$g {
    expand;
}

$ag = $a * $g;
$bg = $b * $g;

inside $ag,$bg {
    expand;
}

$r = gcd_($ag, $bg) - $g;

inside $r {
    expand;
}
print $r; // should yield 0