Fixed some problems in SHOW CREATE TABLE
Fixed calculation of checksums in myisamchk


Docs/manual.texi:
  ChangelogWh
client/mysql.cc:
  Added comment
myisam/mi_check.c:
  Fixed calcualtion of checksums
sql/sql_insert.cc:
  Fixed bug in INSERT DELAYED
sql/sql_show.cc:
  Fixed some problems in SHOW CREATE TABLE