Define BitString and BitStringBuffer

BitString is a general purpose class providing the ability to manipulate
individual bits within an allocated section of contiguous memory. A
BitString does not allocate or maintain the memory that it manipulates.

BitStringBuffer is a BitString that allocates and maintains the memory
that it manipulates.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Change-Id: I64e691a169d571dc1fd435a30b666312854346ac
diff --git a/meson.build b/meson.build
index 7a569b6..1fcdd95 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@
             'cpp_std=c++11'
         ])
 
-incdir = [ include_directories('src') ]
+incdir = [include_directories('src')]
 
 build_tests = get_option('tests')