Merge pull request #35 from k-okada/revert_21

(geo/primt.l,l/common.l) revert Henry Baker's contribution of 2013 July, this breaks test code https://github.com/euslisp/jskeus/pull/100
Merge branch 'master' of http://github.com/euslisp/EusLisp
enable set-dispatch-macro-character for integer
Merge pull request #51 from k-okada/fix_47

- enable set-dispatch-macro-character for integer