Accept multiple commands (for automation)

Instead of `./run.sh shell target +file`, and then manually running
add and commit, you can now use:

    ./run.sh shell 'target +file' 'add samsung' commit

Quoting is necessary because of the spaces.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/main/Main.java b/src/main/Main.java
index b782d89..4b02223 100644
--- a/src/main/Main.java
+++ b/src/main/Main.java
@@ -173,7 +173,9 @@ public class Main {
                 TweetShell shell = new TweetShell();
                 // pass any remaining parameters to the shell
                 if (params.length > 0) {
-                    shell.execute(params);
+                    for (String cmd : params) {
+                        shell.execute(cmd);
+                    }
                 }
                 shell.process_forever();
                 break;