Added install guide.

Ignored idea projects.
Ignored dist directory.
Added documentation headers.

Author: w-martin

.gitignore

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+.idea
+dist/
+

INSTALL.md

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+Installation Instructions
+=========================
+This program is written in Haskell and built using cabal.  
+To build, you will need:
+* haskell-platform
+
+#### Building
+
+For best results:
+1. Run "cabal clean".  
+2. Run "cabal configure".  
+3. Run "cabal build" to compile the sources to dist/.  
+
+#### Installation
+
+Optionally:
+* Run "cabal install --prefix=/usr/local/" to install the program.
+
+#### Testing
+
+1. Run "cabal clean".
+2. Run "cabal configure".
+3. Run "cabal build" to compile the sources to dist/.
+4. Run "cabal test" to run the tests.
+
+#### Running
+
+* Run "./diffr" to run the program from within the build directory, or if installed, just run "diffr".
+* Run "./patchr" to run the program from within the build directory, or if installed, just run "patchr".
+
+#### Documentation
+
+* Run "cabal configure".
+* Run "cabal haddock --executables" to generate documentation.
+

diff/Main.hs

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+{- |
+ Module      :  Diffr.Main
+ Description :  Main entry point for diffr.
+ Since       :  0.0
+ Authors     :  William Martin
+ License     :  This file is part of diffr-h.
+
+ diffr-h is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ diffr-h is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with diffr-h.  If not, see <http://www.gnu.org/licenses/>.
+-}
+
+module Diffr.Main where
+
 import System.Environment
 
 -- | 'main' runs the main program

patch/Main.hs

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+{- |
+ Module      :  Patchr.Main
+ Description :  Main entry point for patchr.
+ Since       :  0.0
+ Authors     :  William Martin
+ License     :  This file is part of diffr-h.
+
+ diffr-h is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ diffr-h is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with diffr-h.  If not, see <http://www.gnu.org/licenses/>.
+-}
+
+module Patchr.Main where
+
 import System.Environment
 
 -- | 'main' runs the main program