Added sketch implementation
Added sketch eval profiling
Reasonably working profiling of eval
Removed header/footer from inner profile
Added extra information. Exteded iterator printers
Removed debug code
Removed debug code
Added/fixed tests
Fixed eval in non-profiling cases
Polishing
Polishing
Added missing test files
Merge pull request #78 from 28msec/feature-eval-profiling

Profiling of expressions evaluated through eval