Squashed commit of the following:

Squashed commit of the following:

commit d356140fee78fb2ef8efcf50805280c53cb3232b
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 16:02:45 2018 +0100

    Pick correct stack.yaml

commit 98ea7eeeffa2045e6564498df6d95965b405b4ef
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 13:34:51 2018 +0100

    Limit number of jobs for stack

commit 6a7ebc0d46c8d66adbf69f3bb0d26973ce11879c
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 11:40:10 2018 +0100

    Use stack hoogle

commit b0e4c4b015fc173519f3019503d172803aad246a
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 11:37:46 2018 +0100

    Update submodules

commit aab5f2a37290fcf7e85fabc828e3379317bf8221
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 11:29:22 2018 +0100

    Fix git pull

commit b0a1cb90d07b0bbf120a99d0427e98dca04d4bde
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 11:23:27 2018 +0100

    Use stack again for hie

commit d8140e8547dfefcdc06c5c5870c4d0b7f9a4ec94
Author: Luke Lau <luke_lau@icloud.com>
Date:   Wed Aug 8 11:04:30 2018 +0100

    See if hie is installed correctly

commit 3657f4643067ae95b11b83f9457eacd782a79133
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 19:48:37 2018 +0100

    Kill process even if exception is thrown

commit 6ff0c8ba66e02efd3b69ccf83772b1e80ea17b19
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 16:33:58 2018 +0100

    Set permissions of hie

commit 8ef3b3e290cc2601f939feae14a99100a7bf7b3c
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 16:12:19 2018 +0100

    Cache dist dist-newstyle

commit aea35bb55dbc3a1791bbe5cc39d8d16fd35aaddd
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 15:36:00 2018 +0100

    Fix stupid typo

commit e7b69115e8be01d9eecac37d35e4f17f584abb5d
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 15:28:06 2018 +0100

    Remove redundant build step

commit 36d977fb0b9b368c477b0d8c8fdc59059849dc53
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 15:25:34 2018 +0100

    Try out a wee download hie script

commit 69a057e422fb7c1dfa88738f523d972003778c7b
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 15:07:31 2018 +0100

    Explore env vars

commit e7ca115d7979c3152eaa749a86d44abe7abbef34
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 14:54:34 2018 +0100

    Try circleCI binary

commit 382d85457ae4208b79631eeed83bd3c7dfddd2f8
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 13:25:34 2018 +0100

    Try hoogle from apt

commit 01a5d2a0cc41f2320cee90a06a007fac93e69b7d
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 12:12:58 2018 +0100

    Install happy

commit 59b1252ff7e931d1e3050d3cd6329b3bc196d43e
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 11:20:10 2018 +0100

    Export path instead of copying

commit 19c449d987527f5fe601a15826cc124082549660
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 10:41:39 2018 +0100

    Move cabal install path

commit 4b363ee527121d080478c5614cd7ba9ef1804d3d
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 10:24:22 2018 +0100

    Add code coverage

commit c717c6940046723ea2f0b339d2edd800cabe1c9a
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 10:05:15 2018 +0100

    Limit concurrent jobs to 2

commit 49e886730625d5a0707a36afcb139beb39c0c47d
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 01:30:36 2018 +0100

    Remove cabal update

commit 36a697113f3b8c2d620e703e4c4bef593e1bb37d
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 01:25:26 2018 +0100

    mkdir -p hie dir

commit f7b62fb37e3b7439360ea70ace0f7ccf1a2c9c74
Author: Luke Lau <luke_lau@icloud.com>
Date:   Tue Aug 7 01:18:41 2018 +0100

    Try out cabal tests