eskk#logger#{warn,error}(): write to log
cosmetic fix: arguments receiving style
write log when first dict parse error
make eskk#logger#{log,logf}() script-local
[EskkFixDictionary] also fix the line which has waste okuri chars
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fix arbitrary places truncating okuri_rom

truncate okuri_rom to 1-char at:
- s:candidate_new()
- s:HenkanResult_new