Try Catch Finally

[jameslahm]

This issue was used to track all problems about the try-catch finally statement problem.

Known Issues: #7
Pr: #60

Known Problems:

• throw in catch clause

try {
} catch {
  throw 123;
} finally {
}

• throw in a inner function

try {
} catch {
  ThrowErrorFunc()
} finally {
}

• return in try clause

try {
 return 1
} catch {
} finally {
}

• return in catch clause

try {
} catch {
  return 1
} finally {
}