Fix many issues brought out by the tests - integrals with wrong bounds (too naive when dealing with range restrictions) - Uniform with infinite range [solution: delete code, as there was already     code in place to do it right!] - don't do domain computation when the domain is symbolic
Fix many issues brought out by the tests
- integrals with wrong bounds (too naive when dealing with range restrictions)
- Uniform with infinite range [solution: delete code, as there was already
    code in place to do it right!]
- don't do domain computation when the domain is symbolic

suhailshergill/hakaru,zaxtax/hakaru,zachsully/hakaru,zaxtax/hakaru,bitemyapp/hakaru,zachsully/hakaru