5.5.2
dict: Fix some signed/unsigned compiler warnings
Optimize performance with clang-tidy
use constexpr for kDawgMagicNumber
Add braces to single line statements (clang-tidy -checks='-*,google-readability-braces-around-statements')
Replace remaining STRING by std::string in src/dict
Fix some signed / unsigned mismatches
Fix Settup -> Setup in method names
[clang-format] Execute clang format on include and src dirs.
Replace 'can not' by 'cannot'
Replace remaining GenericVector by std::vector for src/dict
Disable conditional which is currently always false (reported by LGTM)
Fix some typos.