Add max_load_factor getter and setter for std::unordered_map.
Add max_load_factor getter and setter for std::unordered_map.

This might be useful for controlling memory usage at the expense of collision probability.

hhsprings/cython,fperez/cython,acrispin/cython,ChristopherHogan/cython,scoder/cython,encukou/cython,acrispin/cython,achernet/cython,slonik-az/cython,fabianrost84/cython,acrispin/cython,da-woods/cython,marscher/cython,roxyboy/cython,slonik-az/cython,encukou/cython,mcanthony/cython,c-blake/cython,dahebolangkuan/cython,mcanthony/cython,fabianrost84/cython,fabianrost84/cython,cython/cython,fperez/cython,scoder/cython,hickford/cython,madjar/cython,andreasvc/cython,JelleZijlstra/cython,mcanthony/cython,JelleZijlstra/cython,andreasvc/cython,encukou/cython,fperez/cython,roxyboy/cython,hickford/cython,scoder/cython,da-woods/cython,achernet/cython,hhsprings/cython,hickford/cython,ABcDexter/cython,dahebolangkuan/cython,andreasvc/cython,andreasvc/cython,JelleZijlstra/cython,c-blake/cython,ABcDexter/cython,dahebolangkuan/cython,slonik-az/cython,hickford/cython,ChristopherHogan/cython,ABcDexter/cython,mcanthony/cython,da-woods/cython,marscher/cython,acrispin/cython,ABcDexter/cython,fperez/cython,madjar/cython,ABcDexter/cython,madjar/cython,madjar/cython,scoder/cython,hhsprings/cython,hhsprings/cython,mrGeen/cython,cython/cython,encukou/cython,hickford/cython,da-woods/cython,andreasvc/cython,c-blake/cython,mcanthony/cython,c-blake/cython,mrGeen/cython,madjar/cython,achernet/cython,cython/cython,marscher/cython,fabianrost84/cython,JelleZijlstra/cython,mrGeen/cython,acrispin/cython,fabianrost84/cython,JelleZijlstra/cython,roxyboy/cython,mrGeen/cython,dahebolangkuan/cython,achernet/cython,achernet/cython,ChristopherHogan/cython,hhsprings/cython,fperez/cython,mrGeen/cython,marscher/cython,c-blake/cython,slonik-az/cython,dahebolangkuan/cython,roxyboy/cython,slonik-az/cython,cython/cython,encukou/cython,marscher/cython,roxyboy/cython