Remove buildcc base namespace and complete documentation (#186)

Author: coder137

TODO.md

@@ -26,7 +26,6 @@ Contains the following working features
 
 - Serialization Interface
 - Namespace changes
-  - Remove ``buildcc::base``
   - Remove ``buildcc::env``
   - We should only have 3 namespaces ``buildcc``, ``buildcc::plugin`` and ``buildcc::internal``
 - Environment updates

buildcc/lib/args/include/args/register.h

@@ -107,8 +107,8 @@ class Register {
    *
    * Target runs after dependency is built
    */
-  void Dep(const base::BuilderInterface &target,
-           const base::BuilderInterface &dependency);
+  void Dep(const internal::BuilderInterface &target,
+           const internal::BuilderInterface &dependency);
 
   /**
    * @brief Register the Target to be run