heap_increment=30000

- we have GC bugs and this hides them from the casual experimenter!
added split primitive function

- (split <delim-string> <string-to-split>)
- delim string must be 1 character
- (map (fn (s) (apply cons (split "=" s))) (sh "env")) ;to obtain env alist
- re-split would be nice
Merge branch 'master' of github.com:alandipert/gherkin