Provide INPUT_MIN_LENGTH in docstring
Provide INPUT_MIN_LENGTH in docstring

Give users quick access to the minimum number of documents needed 
by summarize_corpus. Use string formatting at runtime in case the value
of INPUT_MIN_LENGTH is changed.
pombredanne/gensim,macks22/gensim,ELind77/gensim,loisaidasam/gensim,bhargavvader/gensim,Kreiswolke/gensim,mattilyra/gensim,dsquareindia/gensim,piskvorky/gensim,isohyt/gensim,akutuzov/gensim,ziky90/gensim,macks22/gensim,olavurmortensen/gensim,quole/gensim,dsquareindia/gensim,bhargavvader/gensim,Kreiswolke/gensim,gojomo/gensim,davechallis/gensim,laic/gensim,gojomo/gensim,olavurmortensen/gensim,jaksmid/gensim,Kreiswolke/gensim,quole/gensim,manasRK/gensim,tzoiker/gensim,olavurmortensen/gensim,tzoiker/gensim,RaRe-Technologies/gensim,dsquareindia/gensim,summanlp/gensim,quole/gensim,loisaidasam/gensim,ELind77/gensim,ziky90/gensim,gojomo/gensim,zachmayer/gensim,mattilyra/gensim,manasRK/gensim,pombredanne/gensim,tzoiker/gensim,RaRe-Technologies/gensim,summanlp/gensim,akutuzov/gensim,isohyt/gensim,zachmayer/gensim,davechallis/gensim,loisaidasam/gensim,laic/gensim,markroxor/gensim,ELind77/gensim,summanlp/gensim,piskvorky/gensim,jaksmid/gensim,pombredanne/gensim,piskvorky/gensim,akutuzov/gensim,bhargavvader/gensim,robotcator/gensim,markroxor/gensim,RaRe-Technologies/gensim,mattilyra/gensim,zachmayer/gensim,isohyt/gensim,jaksmid/gensim,robotcator/gensim,robotcator/gensim,markroxor/gensim,RaRe-Technologies/gensim,macks22/gensim,laic/gensim,davechallis/gensim,gojomo/gensim,ziky90/gensim,manasRK/gensim