Rename current_time to current_virtual_time
Revert back to old timing behavior for now.
Merge pull request #159 from sunyc/master

Changes for alpha7.4
Define for MYSQL Fetch NewDecimal Type
This is needed in my system for read a column SUM(xxx) in a SELECT.
Merge pull request #160 from zoilder/MYSQL_Fetch_NewDecimal_Type

PACAKGE_DB:  FIELD_TYPE_NEWDECIMAL for MYSQL
Correctly trigger reset/cleanup events.

Also restoring the old behavior with heart_beat() etc.
Run IO loop for at least 1 second. reduce unnecessary spin.
Default zero-out newly allocated empty array.

fix #161.
Print out compiler version in make help.
Adding back 32bit compile mode test.

fix #152
Merge pull request #163 from sunyc/master

More Changes for alpha7.4
Increase default evaluator stack to 6000.
Improve code style in call_tick_events()
Cleanup events/callouts in DEBUG mode, so valgrind don't complain.
Delete old bat file.
Revert "Run IO loop for at least 1 second. reduce unnecessary spin."

This reverts commit bffcfdcdf9d6292066eedecaac22904670307d4a.
Merge pull request #165 from sunyc/master

More changes to 7.4
Fix a crash on early restore_object() call.

gz_sel is not properly initialized.
Merge pull request #166 from sunyc/master

Fix a crash on early restore_object() call.
Fix debug() macro, avoid exposing internal variables.