Binary is now 'lush', library is 'liblush.a'. Version banner shows
"Lush 0.1.0" with original Lua copyright preserved. Adds LUSH_VERSION
defines and _LUSH_VERSION global. Internal C API names, env vars, and
default paths are unchanged for upstream compatibility.
When calling metamethods for things like 'a < 3.0', which generates
the opcode OP_LTI, the C register tells that the operand was
converted to an integer, so that it can be corrected to float when
calling a metamethod.
This commit also includes some other stuff:
- file 'onelua.c' added to the project
- opcode OP_PREPVARARG renamed to OP_VARARGPREP
- comparison opcodes rewritten through macros
