mysr

[version] new version set to 0.7.2

[feat] disconnect method fully implemented from C to mysr.r provides some protection against double disconnect

[fix] some little bugs fixed and insert cluster can now be automatically set to given data set (useful for a few dozen rows or less)

[feat] we can now use a paren! type to enclose extended SQL syntax in create table, this should allow just about any SQL feature. paren content is passed through rebol's 'FORM function. if rebol syntax doesn't match sql for your specific, juste wrap it in a string.

[feat] added support for non-primary column indexes in the 'CREATE-TABLE function. we still can't change indexing properties. use alter-table in a call to 'MYSQL function for that. also tweaked README.md to help with visual studio compilation.