diff --git a/.ghci b/.ghci
new file mode 100644
--- /dev/null
+++ b/.ghci
@@ -0,0 +1,1 @@
+:set -isrc -idist/build/autogen -optP-include -optPdist/build/autogen/cabal_macros.h
diff --git a/.gitignore b/.gitignore
new file mode 100644
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+dist
+docs
+wiki
+TAGS
+tags
+wip
+.DS_Store
+.*.swp
+.*.swo
+*.o
+*.hi
+*~
+*#
diff --git a/.travis.yml b/.travis.yml
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,1 +1,8 @@
 language: haskell
+notifications:
+  irc:
+    channels:
+      - "irc.freenode.org#haskell-lens"
+    skip_join: true
+    template:
+      - "\x0313semigroupoid-extras\x03/\x0306%{branch}\x03 \x0314%{commit}\x03 %{build_url} %{message}"
diff --git a/.vim.custom b/.vim.custom
new file mode 100644
--- /dev/null
+++ b/.vim.custom
@@ -0,0 +1,31 @@
+" Add the following to your .vimrc to automatically load this on startup
+
+" if filereadable(".vim.custom")
+"     so .vim.custom
+" endif
+
+function StripTrailingWhitespace()
+  let myline=line(".")
+  let mycolumn = col(".")
+  silent %s/  *$//
+  call cursor(myline, mycolumn)
+endfunction
+
+" enable syntax highlighting
+syntax on
+
+" search for the tags file anywhere between here and /
+set tags=TAGS;/
+
+" highlight tabs and trailing spaces
+set listchars=tab:‗‗,trail:‗
+set list
+
+" f2 runs hasktags
+map <F2> :exec ":!hasktags -x -c --ignore src"<CR><CR>
+
+" strip trailing whitespace before saving
+" au BufWritePre *.hs,*.markdown silent! cal StripTrailingWhitespace()
+
+" rebuild hasktags after saving
+au BufWritePost *.hs silent! :exec ":!hasktags -x -c --ignore src"
diff --git a/semigroupoid-extras.cabal b/semigroupoid-extras.cabal
--- a/semigroupoid-extras.cabal
+++ b/semigroupoid-extras.cabal
@@ -1,6 +1,6 @@
 name:          semigroupoid-extras
 category:      Control
-version:       3.0.0.1
+version:       3.0.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -14,7 +14,11 @@
 synopsis:      Semigroupoids requiring Haskell extensions
 description:   Semigroupoids and semigroupoid operations requiring Haskell extensions
 
-extra-source-files: .travis.yml
+extra-source-files:
+  .ghci
+  .gitignore
+  .travis.yml
+  .vim.custom
 
 source-repository head
   type: git
@@ -25,10 +29,10 @@
 
   build-depends:
     base          == 4.*,
-    distributive  >= 0.2.2 && < 0.4,
-    semigroupoids == 3.0.*,
-    groupoids     == 3.0.*,
-    comonad       == 3.0.*
+    distributive  >= 0.2.2,
+    semigroupoids >= 3,
+    groupoids     >= 3,
+    comonad       >= 3
 
   exposed-modules:
     Data.Semifunctor