added stemmer for spanish
added stemmer for spanish

gmarty/natural,dpraimeyuu/natural,mamaral/natural,karimsa/natural,walkingdoctors/natural,gmarty/natural,yathit/natural,PTaylour/natural,mafintosh/natural,balderdashy/natural,PMSI-AlignAlytics/natural,ahmedshuhel/natural,Logicify/natural,levy5674/natural,mafintosh/natural,mcanthony/natural,balderdashy/natural,kjhenner/natural,mafintosh/natural,NaturalNode/natural,Hugo-ter-Doest/natural,polymaths/natural,moos/natural,gmarty/natural,itamayo/natural,fergiemcdowall/natural,fergiemcdowall/natural,fergiemcdowall/natural,balderdashy/natural