Bump version to v0.8.1

Author: nhumrich

src/main.bl

@@ -26,7 +26,7 @@ fn parse_priority(s: Str) -> Int {
 
 fn build_parser() -> ArgParser {
     let mut p = argparser_new("br", "Bridge Task Manager")
-    p = set_version(p, "0.8.0")
+    p = set_version(p, "0.8.1")
 
     p = add_flag(p, "--json", "-j", "JSON output")