catalog functions have been changed:

Table_types are now internally represented be enum TABTYPE.
Catalog function names are internally translated to a uint.

The function GetTypeID was modified accordingly and a new
function GetFuncID was implemented in mycat.cc.

Modified:
ha_connect.cc
odbccat.h
odbconn.cpp
tabodbc.cpp
tabfmt.cpp
tabmysql.h
tabmysql.cpp
tabwmi.cpp
mycat.h
mycat.cc
plgdbsem.h
reldef.h
tabdos.cpp
rcmsg.h