Release 0.3.1 prep (#162)

* Bump deps and package version. Rebuild

* Update chai

Author: OBrezhniev

build/browser.esm.js

@@ -16242,6 +16242,7 @@ function buildMultiexp(curve, groupName) {
         }
 
         const nPoints = Math.floor(buffBases.byteLength / sGIn);
+        if (nPoints == 0) return G.zero;
         const sScalar = Math.floor(buffScalars.byteLength / nPoints);
         if( sScalar * nPoints != buffScalars.byteLength) {
             throw new Error("Scalar size does not match");

build/main.cjs

@@ -4973,6 +4973,7 @@ function buildMultiexp(curve, groupName) {
         }
 
         const nPoints = Math.floor(buffBases.byteLength / sGIn);
+        if (nPoints == 0) return G.zero;
         const sScalar = Math.floor(buffScalars.byteLength / nPoints);
         if( sScalar * nPoints != buffScalars.byteLength) {
             throw new Error("Scalar size does not match");