Revert "eliminating unnecessary lexical calls"

This reverts commit 15b9cc5673fcef5db5fb4e7dc8246c487669a678.
eliminating unnecessary lexical calls and making threading of create_bb default
Merge branch 'master' of https://github.com/shiozaki/BAGEL

# By Toru Shiozaki
# Via Toru Shiozaki
* 'master' of https://github.com/shiozaki/BAGEL:
  minor
  oops
  author update