Ignore some more stuff.
Clean up jv_object_foreach and add jv_array_foreach
Change APPEND opcode to directly modify a variable.

Avoids a big O(n^2) loop in constructing arrays. Fixes #61.
Fix negative number syntax. Add a unary '-' operator.

Closes #63.
integer support
code cleanup
cmake project file added
cmake compilation fixed
add jq to install program list
jv_alloc added to build script
proper int to string
merged with stedolan. Minor fixes