Summary
- avoid undeclared frees;
- removed junk;
- avoid dangling tfrees;
- standardize implicit variables: non-zero indexes do occur occasionally, e.g. via RS;
- tuned signature;
- avoid undeclared frees;
- export facts;
- clarified encoding;
- more scalable;
- tuned output;
- more scalable;
- tuned;
- support HTTPS;
- updated to scala-2.12.6;
- prefer HTTPS;