- Support specifying URL in loginParameters for connecting to OpenSim

- Patch some miscellaneous OpenSim related glitches
- Add waitForRegionHandshake function
- Add a concurrent promise queue
- Fix xml writing of Vector3s
- Fix asset downloading on grids without HTTP assets
- Fix buildObject to properly orientate prims
- Wrangled with CreateSelected all day and it turned out to be an OpenSim bug
- LinkFrom function for faster linking
- Updated LLSD library to fix LLMesh decoding

package.json

@@ -31,7 +31,7 @@
     "typescript": "^3.6.3"
   },
   "dependencies": {
-    "@caspertech/llsd": "^1.0.2",
+    "@caspertech/llsd": "^1.0.3",
     "@types/long": "^4.0.0",
     "@types/micromatch": "^3.1.0",
     "@types/mocha": "^5.2.5",