Implemented NOT. Fixed SExp.NIL equality bug.

project.properties

@@ -1,13 +1,13 @@
-#Mon Nov 30 22:18:15 CST 2009
+#Tue Feb 09 14:02:30 CST 2010
 build.dir=build
 src.dir=src
 grammar.output.dir=${src.dir}/edu/utexas/cs345/jdblisp/parser
 build.jar=${build.dir}/JCLisp-${application.version}.${build.number}.jar
-build.number=2
+build.number=15
 dist.dir=dist
 javacc.home=${lib.dir}/javacc
-lib.dir=lib
 dist.jar=${dist.dir}/JCLisp-${application.version}.jar
-build.classes.dir=${build.dir}/classes
+lib.dir=lib
 grammar.file=${src.dir}/edu/utexas/cs345/jdblisp/Parser.jj
+build.classes.dir=${build.dir}/classes
 application.version=0.2.0