Version 0.3.0

• Renamed to sregx to avoid name conflict with "site reliability engineering" (the tool was helpful for renaming itself).
• Small improvements to documentation.

Version 0.2.0

• Much better error message for invalid expressions.
• New commands: n[N:M] and l[N:M].
• Input file is now passed as argument instead of flag to be more consistent with other tools.
• Bug fixes.

Version 0.1.0

First official version.