Fixed a bug with how Labdas evaluate their arguments.

Arguments should be evaluated in the calling scope, but due to the way labdas
were constructing a new symbol table, the arguments were being evaluated inside
the closure scope.

project.properties

@@ -1,9 +1,10 @@
+#Tue, 20 Apr 2010 11:13:19 -0500
 #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=15
+build.number=17
 dist.dir=dist
 javacc.home=${lib.dir}/javacc
 dist.jar=${dist.dir}/JCLisp-${application.version}.jar