Fix for Lua script when removing a huge amount of keys in _removeByMatchingAnyTags()
Steps configurable, improved loop to process KEYS
Fixed identation
Updated parameter name and default value as it needs to be lower than LUAI_MAXCSTACK in luaconf.h
Added previous commit's value also to the lua script in _removeByMatchingAnyTags
Updated loop for KEYS processing and use unpack() args instead of creating additional table
Merge pull request #67 from frozenminds/improvement/lua-unpack-huge-keys

Fix for Lua script when removing a huge amount of keys in _removeByMatchingAnyTags()
Add unit test for Lua update.
Change submodule url to use https.
Fix EVALSHA1 for Lua code 'clean' method.
Fix unit tests randomly failing.