Fix overflow error for `*Vec` corpusfile-based training#2700

Merged

mpenkov merged 3 commits intopiskvorky:developfrom persiyanov:fix/int-overflow-corpusfile-mode

Jan 8, 2020

+37,564-22

Commits on Dec 10, 2019

Commits on Jan 7, 2020

Merge branch 'develop' into fix/int-overflow-corpusfile-mode
persiyanov
committed