Exponentiation Operator tests

test/built-ins/Math/pow/S15.8.2.13_A6.js

test/built-ins/Math/pow/S15.8.2.13_A7.js

test/built-ins/Math/pow/S15.8.2.13_A8.js

test/built-ins/Math/pow/S15.8.2.13_A9.js

test/built-ins/Math/pow/applying-the-exp-operator_A1.js

test/built-ins/Math/pow/applying-the-exp-operator_A10.js

test/built-ins/Math/pow/applying-the-exp-operator_A11.js

test/built-ins/Math/pow/applying-the-exp-operator_A12.js

test/built-ins/Math/pow/applying-the-exp-operator_A13.js

test/built-ins/Math/pow/applying-the-exp-operator_A14.js

test/built-ins/Math/pow/applying-the-exp-operator_A15.js

test/built-ins/Math/pow/applying-the-exp-operator_A16.js

test/built-ins/Math/pow/applying-the-exp-operator_A17.js

test/built-ins/Math/pow/applying-the-exp-operator_A18.js

test/built-ins/Math/pow/applying-the-exp-operator_A19.js

test/built-ins/Math/pow/applying-the-exp-operator_A2.js

test/built-ins/Math/pow/applying-the-exp-operator_A20.js

test/built-ins/Math/pow/applying-the-exp-operator_A21.js

test/built-ins/Math/pow/applying-the-exp-operator_A22.js

test/built-ins/Math/pow/applying-the-exp-operator_A23.js