opam: ensure dependents don't have to depend on ppx_tools directly.
Merge pull request #86 from whitequark/master

opam: ensure dependents don't have to depend on ppx_tools directly.
version 2.4.6
Introduce Lwt.Infix module and use it in the main library.
Update examples to use Lwt.Infix.
Remove some very crucial allocations.
argument ~perm of Lwt_log.file was unused
Merge pull request #97 from c-cube/lwt_log_perm

argument ~perm of Lwt_log.file was unused
rename readme for github friendliness
markdownify readme
Merge pull request #99 from rgrinberg/master

Make readme github friendly
Merge pull request #92 from ocsigen/infix

Add Lwt.Infix
Add a dummy ppx_lwt.ml to workaround ocsigen/lwt#91 on OSX
Merge pull request #101 from avsm/tracing-osx-ppx-build-workaround

Add a dummy ppx_lwt.ml
Fix deprecated Lazy.lazy_from_fun usage.
Bump OCaml dependency to 4.01.

This removes all version-related preprocessing from Lwt.
Remove deprecated lwt.top library.
Remove deprecated lwt.text library.
Remove deprecated Lwt_signal and Lwt_event modules.
Remove deprecated Lwt_util module.