Moved ws_image_buffer to ws_buffer
Added signum macro
Implemented the ws_image_buffer as ws_object
Merge pull request #138 from TheNeikos/move-ws_image_buffer_to_ws_object

Move ws image buffer to ws object
Added size to ws_image_buffer
Move all variable references to their new value

This commit moves the top level variables `map` to its current situation, which
is a ws_image_buffer now
Merge pull request #139 from TheNeikos/move-ws_monitor_buffer_to_ws_buffer

Move ws monitor buffer to ws buffer
Added MAX macro
Implemented ws_buffer_blit
Merge pull request #147 from TheNeikos/add-ws_image_buffer_blit

Add ws image buffer blit
Fix copyf() in set for next version of libreset

The next version uses `void*` instead of `void const*` as
return/argument type.
Merge pull request #150 from matthiasbeyer/fix-for_next_libreset

Fix copyf() in set for next version of libreset
Adjust interface for ws_logger_context
Add implementation for ws_object_log()
Fixup: Context comes first
Fixup: ws_object_log() implementation: Context comes first
Fixup: Locking in ws_object_log()
Change naming: "dump" instead of "log"
Merge pull request #96 from matthiasbeyer/add-object_logging

Add object logging
Add interface definition of ws_value_named_value type