adding opts meta data and exposing it
rendering and parsing options - currently still broken
instructions on how to generate input data with perf

- also fixing spelling mistake in lib
detecting perf input
adding perf script input and output to fixtures
initial perf collapse
no longer truyly streaming, concatenating instead
better instruments collapser interface
collapsing perf
updating docs
disabling custom opts and updating to new API

- now perf script generated files can be loaded