Split encode source/header files into three (#288)

Split encoding into main, numbers and tags to improve documentation and code readability

Also fix up documentation for private, deprecated and "InMap" methods.



Co-authored-by: Laurence Lundblade <lgl@securitytheory.com>
diff --git a/test/float_tests.c b/test/float_tests.c
index 294be55..f32d181 100644
--- a/test/float_tests.c
+++ b/test/float_tests.c
@@ -13,7 +13,8 @@
 
 
 #include "float_tests.h"
-#include "qcbor/qcbor_encode.h"
+#include "qcbor/qcbor_main_encode.h"
+#include "qcbor/qcbor_number_encode.h"
 #include "qcbor/qcbor_decode.h"
 #include "qcbor/qcbor_spiffy_decode.h"
 #include "qcbor/qcbor_number_decode.h"