fix: READFUNCTION/HEADERFUNCTION/WRITEFUNCTION should correctly throw errors
fix: READFUNCTION/HEADERFUNCTION/WRITEFUNCTION should correctly throw errors

JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl