ENH: optimize: add optional parameters of adaptive step size adjustment in `bashinhopping`.
ENH: optimize: add optional parameters of adaptive step size adjustment in `bashinhopping`.

matthew-brett/scipy,rgommers/scipy,Stefan-Endres/scipy,scipy/scipy,matthew-brett/scipy,scipy/scipy,tylerjereddy/scipy,zerothi/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,rgommers/scipy,endolith/scipy,perimosocordiae/scipy,rgommers/scipy,zerothi/scipy,matthew-brett/scipy,tylerjereddy/scipy,anntzer/scipy,anntzer/scipy,andyfaff/scipy,anntzer/scipy,mdhaber/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,vigna/scipy,mdhaber/scipy,endolith/scipy,ilayn/scipy,mdhaber/scipy,WarrenWeckesser/scipy,zerothi/scipy,mdhaber/scipy,endolith/scipy,perimosocordiae/scipy,matthew-brett/scipy,zerothi/scipy,andyfaff/scipy,ilayn/scipy,mdhaber/scipy,anntzer/scipy,scipy/scipy,mdhaber/scipy,zerothi/scipy,ilayn/scipy,Stefan-Endres/scipy,ilayn/scipy,endolith/scipy,WarrenWeckesser/scipy,rgommers/scipy,vigna/scipy,tylerjereddy/scipy,ilayn/scipy,perimosocordiae/scipy,vigna/scipy,perimosocordiae/scipy,endolith/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,scipy/scipy,endolith/scipy,Stefan-Endres/scipy,andyfaff/scipy,zerothi/scipy,ilayn/scipy,tylerjereddy/scipy,WarrenWeckesser/scipy,andyfaff/scipy,vigna/scipy,scipy/scipy,Stefan-Endres/scipy,vigna/scipy,andyfaff/scipy,tylerjereddy/scipy,rgommers/scipy,andyfaff/scipy,anntzer/scipy,anntzer/scipy,perimosocordiae/scipy