Added goquery extra benchmark

#goquery
benchmark                                 old ns/op    new ns/op    delta
BenchmarkFirst                                  112          102   -8.93%
BenchmarkLast                                   112          102   -8.93%
BenchmarkEq                                     112          102   -8.93%
BenchmarkSlice                                  108           99   -7.78%
BenchmarkGet                                      2            2   +0.47%
BenchmarkIndex                                 1253         1067  -14.84%
BenchmarkIndexSelector                        29422        25522  -13.26%
BenchmarkIndexOfNode                             11           10   -6.25%
BenchmarkIndexOfSelection                        11           11   -0.84%
BenchmarkMetalReviewExample                  235912       215215   -8.77%
BenchmarkAdd                                  22818        19394  -15.01%
BenchmarkAddSelection                           233          219   -6.01%
BenchmarkAddNodes                               218          214   -1.83%
BenchmarkAndSelf                               2791         2776   -0.54%
BenchmarkFilter                               27877        26752   -4.04%
BenchmarkNot                                  32091        30776   -4.10%
BenchmarkFilterFunction                       81893        72371  -11.63%
BenchmarkNotFunction                          89147        79415  -10.92%
BenchmarkFilterNodes                          80251        70882  -11.67%
BenchmarkNotNodes                             96021        87970   -8.38%
BenchmarkFilterSelection                      80039        71039  -11.24%
BenchmarkNotSelection                         95459        87647   -8.18%
BenchmarkHas                                 415286       389317   -6.25%
BenchmarkHasNodes                            248821       232208   -6.68%
BenchmarkHasSelection                        248517       232357   -6.50%
BenchmarkEnd                                      4            4   +0.21%
BenchmarkEach                                 12068        10400  -13.82%
BenchmarkMap                                  19712        17821   -9.59%
BenchmarkEachWithBreak                         2047         1791  -12.51%
BenchmarkAttr                                    33           33   +0.60%
BenchmarkText                                 22436        16465  -26.61%
BenchmarkLength                                   0            0   +0.00%
BenchmarkHtml                                   667          612   -8.25%
BenchmarkIs                                   31959        30776   -3.70%
BenchmarkIsPositional                         25339        24842   -1.96%
BenchmarkIsFunction                            3030         2632  -13.14%
BenchmarkIsSelection                          81729        72491  -11.30%
BenchmarkIsNodes                              81463        72456  -11.06%
BenchmarkHasClass                            546031       445646  -18.38%
BenchmarkContains                                12           12   +4.17%
BenchmarkFind                                 30959        25549  -17.47%
BenchmarkFindWithinSelection                  77477        68373  -11.75%
BenchmarkFindSelection                       467451       383914  -17.87%
BenchmarkFindNodes                           467930       383199  -18.11%
BenchmarkContents                              3987         3287  -17.56%
BenchmarkContentsFiltered                      6020         5115  -15.03%
BenchmarkChildren                               780          641  -17.82%
BenchmarkChildrenFiltered                      4153         3690  -11.15%
BenchmarkParent                               50860        43523  -14.43%
BenchmarkParentFiltered                       54067        46205  -14.54%
BenchmarkParents                             112703       101132  -10.27%
BenchmarkParentsFiltered                     115924       103558  -10.67%
BenchmarkParentsUntil                         85737        78494   -8.45%
BenchmarkParentsUntilSelection               195633       176703   -9.68%
BenchmarkParentsUntilNodes                   195522       176843   -9.55%
BenchmarkParentsFilteredUntil                 20087        18064  -10.07%
BenchmarkParentsFilteredUntilSelection        24988        22614   -9.50%
BenchmarkParentsFilteredUntilNodes            25047        22590   -9.81%
BenchmarkSiblings                             74144        73226   -1.24%
BenchmarkSiblingsFiltered                     81140        79806   -1.64%
BenchmarkNext                                 12418        10533  -15.18%
BenchmarkNextFiltered                         14394        12341  -14.26%
BenchmarkNextAll                              50173        49127   -2.08%
BenchmarkNextAllFiltered                      56068        54654   -2.52%
BenchmarkPrev                                 12417        10621  -14.46%
BenchmarkPrevFiltered                         14489        12427  -14.23%
BenchmarkPrevAll                              20352        18294  -10.11%
BenchmarkPrevAllFiltered                      22618        20369   -9.94%
BenchmarkNextUntil                           107166        93464  -12.79%
BenchmarkNextUntilSelection                   73748        67703   -8.20%
BenchmarkNextUntilNodes                       30985        28095   -9.33%
BenchmarkPrevUntil                           263463       237934   -9.69%
BenchmarkPrevUntilSelection                   93592        86460   -7.62%
BenchmarkPrevUntilNodes                       24281        22362   -7.90%
BenchmarkNextFilteredUntil                    53577        47512  -11.32%
BenchmarkNextFilteredUntilSelection           78931        74080   -6.15%
BenchmarkNextFilteredUntilNodes               78951        73480   -6.93%
BenchmarkPrevFilteredUntil                    54309        48632  -10.45%
BenchmarkPrevFilteredUntilSelection           82401        75427   -8.46%
BenchmarkPrevFilteredUntilNodes               82400        75359   -8.54%
BenchmarkClosest                               5413         5080   -6.15%
BenchmarkClosestSelection                       870          762  -12.41%
BenchmarkClosestNodes                           862          726  -15.78%