custom configuration support

- custom extensions
- custom filters
- ignore files matching given patterns

Makefile

@@ -7,20 +7,20 @@ all:
 	@echo Compiled
 
 install: all
-	@echo Installing zod executables to ${PREFIX}/bin
+	@echo Installing zod executable to ${PREFIX}/bin
 	@mkdir -p ${PREFIX}/bin
 	@cp bin/zod ${PREFIX}/bin
-	@cp bin/zod_render ${PREFIX}/bin
 	@echo Installing awk lib files to ${AWKLIB}
 	@mkdir -p ${AWKLIB}
 	@cp lib/render.awk ${AWKLIB}
 	@cp lib/markdown.awk ${AWKLIB}
+	@cp lib/config.awk ${AWKLIB}
+	@cp lib/opt_builder.awk ${AWKLIB}
 	@echo Installation Complete
 
 uninstall:
 	@echo Uninstalling zod executable
 	@rm ${PREFIX}/bin/zod
-	@rm ${PREFIX}/bin/zod_render
 	@echo Uninstalling awk lib files
 	@rm -rf ${AWKLIB}
 	@echo Uninstallation Complete