New version v0.2
Useless ObjectLess class removed
Merge branch 'housekeeping'
Merge branch 'simone'
Merge branch 'master' of github.com:simone-campagna/Configment
New implementation of Object constructors

The new implementation of the Object constructors does not require
the second dummy parameter to allow enable_if. Unfortunately, this
requires the implementation of is_base_of.
Cosmetic changes...
Template binary operators

These templates are used in mixed expressions Object <op> non-Object
New check for mixed expressions
Verbose mode for checks

Check programs can produce verbose output. The CF_CHECK_VERBOSE
CMake option enables verbose mode.