Description:
Is a small .NET console application that you can use to:
- generate the MD5 hash of a string
- decode a MD5 hash using a number of online rainbow tables.
- generate the MD5 hash of a file
- test the integrity of a file/download by comparing a previously generated hash with the file hash

Usage Examples:
md5 "use quotes if input contains spaces"
md5 -decode 098f6bcd4621d373cade4e832627b4f6
md5 -sum file.ext
md5 -test file.ext file.ext.md5
md5 -test file.ext 95107b3a772e5e4d88ddda7453bf2c

Parameters:
-decode        Decodes the give hash using a number of online rainbow tables.
-sum             Computes the MD5 hash of the given file
-test             Verifies file integrity of a file with it's MD5 checksum
-update        Checks for new version.