Added docs and test shell scripts.

docs.sh

@@ -0,0 +1,2 @@
+ dartdoc 
+ open doc/api/index.html 2> /dev/null

test.sh

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+#!/bin/bash
+
+TMPCAT=/tmp/tmp-cat
+TMPDCAT=/tmp/tmp-dcat
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+
+for o in -A -b -e -E -n -s -t -T -v
+do
+    cat $o test/* > $TMPCAT
+    bin/dcat $o test/* > $TMPDCAT
+    if  ! $(diff -q $TMPCAT $TMPDCAT);
+    then
+        echo -e "${RED}Test failed: $o" >&2
+        exit
+    fi
+done
+
+rm -rf $TMPCAT $TMPDCAT
+
+echo -e "${GREEN}All tests passed."