git: remove wrapping of error

no point obscuring these really

git: add Commit.Describe()

git: add GetCommit()

term: fix Strip() regexp

did not cover all cases

term: add fd to IsTerminal()

http/request: add IsClient() and IsServer()

http/request: add IsNotFound()

term: add Renderer()

env: add pkg

aws/dynamo/dynamo: add pkg