Adding field init transformation in SSA

  this.x = e;
  ~~>
  x_CTOR_ = e;
  ....
  this.x = x_CTOR;
  return;
Adding initialization examples
adding tests for calling 'map' on arrays
adding tests for calling 'filter' on arrays
flub
adding test case for better parser
adding test case for better parser
adding test case for better parser
adding test case for better parser
tweaked parser to accept angles, not require '#, parse all vars as rcon
next: write convertTvar
done with convertTvar, to the tests
first test, pos/typealias/talias-07.ts passes
sigh, remove grisly SYB from expand/Alias
temp checkin
see tests/pos/unions/fixme.ts
adding new visitor
stuff compiles
tick tock
tick