Removed timeout function
Seperated query functions into seperate files
Added literal function
Added another test for coerceto
Added Now function
Addded some time functions and fixed bug with Expr function
Added files missed by last commit
Removed debug code from the Exec function
Removed debug code from the datum.go file
Fixed some bugs and added the ISO8601 function
Added remaining time functions
Added more tests for the time
Re-enabled basic tests