Merge pull request #84 from laixintao/flamegraph-lib

flamegraph package.

delete unused code.

Merge pull request #83 from laixintao/flamegraph-lib

upgrade cache version

remove local dev path

fix lint and pytests.

move flamegraph render to a dedicate lib.

Try to make a standalone textual lib of flamegraph.

Merge pull request #82 from laixintao/laixintao-patch-1

Create LICENSE (MTI)

Bump version: 1.1.3 → 1.1.4

Merge pull request #79 from mattrobenolt/issue-78

Render root frame with markup

Bump version: 1.1.2 → 1.1.3