Configuring project directory to agree with go's expected package/module structure.
Two files: one creates a generic represenation of an individual rule read from an sgrep file and the other reads lines from sgrep files to create a list of rules.
A test to ensure that using sgrep libraries you can read all lines in a single .sgrep file.
Filtering out comments from sgrep files.
Added a line number when decoding a rule in case we ever want to emit an sgrep file parsing error.  But then realized I do not yet know how to test whether a glob is valid.
Added a mechanism to find all .sgrep rules for a directory + its subdirectories.
Added a test for finding all .sgrep rules for a directory + its subdirectories.