Prepare 0.3.1 release

CHANGELOG.md

+## 0.3.1 (2019-04-09)
+
+* Added a dark mode theme
+* Updated Bootstrap to version 4.3.1
+
 ## 0.3.0 (2018-08-25)
 
 * Added support for Curry packages

currygle.cabal

 name:               currygle
-version:            0.3.0
+version:            0.3.1
 author:             Sandra Dylus
 maintainer:         Sandra Dylus <sad@informatik.uni-kiel.de>
 synopsis:           An API search engine for the functional logic programming

src/CurryIndexer.hs

@@ -62,7 +62,7 @@ processArgs args = case args of
   [cdocPath, uriPath, "--u"] -> do folderIndexer False cdocPath uriPath
                                    startIndexer False "" cdocPath uriPath
   ["--help"]                 -> putStr howToUseMessage
-  ["--version"]              -> putStrLn "Curr(y)gle indexer version 0.3.0"
+  ["--version"]              -> putStrLn "Curr(y)gle indexer version 0.3.1"
   _                          -> badUsage
 
 -- | Prints the help message and exits the program with a failure code.

src/Main.hs

@@ -31,7 +31,7 @@ import Site                 (app)
 main :: IO ()
 main = do
   hSetBuffering stdout LineBuffering
-  putStrLn "Curr(y)gle server version 0.3.0"
+  putStrLn "Curr(y)gle server version 0.3.1"
   savePID
   (conf, site, cleanup) <- $(loadSnapTH [| getConf |]
                                         'getActions

src/Site.hs

@@ -77,11 +77,11 @@ app = makeSnaplet "currygle" "An API search engine for Curry" Nothing $ do
 
 -- | The version of this package.
 pkgVersion :: String
-pkgVersion = "0.3.0"
+pkgVersion = "0.3.1"
 
 -- | The current year.
 pkgYear :: String
-pkgYear = "2018"
+pkgYear = "2019"
 
 -- | Defines the routing of the website. It distinguishes between the front-
 -- and query-page as well as the word completions.