trying fix class...
reduce strangeness
enable a new syntax definition method
fix sql cmake file
Merge pull request #347 from myoan/sql

fix sql cmake file
Merge pull request #346 from wakamori/fix_syntax

enable a new syntax definition method
Merge pull request #344 from tetsurom/classFix

trying fix class...
add Syntax.Number
bug fix : Visiting VoidValue
add String.indexof(String)
rename libevent => Lib.Libevent
added CStyleWhile
update File package
fix regression : Bugs_ML626.k
add reported clib test
remove old file
add type name in KNode_
support class method (but some tests not work)