Added logging level constants(INFO, DEBUG, ERROR) from C API
Added logging level constants(INFO, DEBUG, ERROR) from C API

tonypujals/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,dohse/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,dohse/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,dohse/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,dohse/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,dohse/aerospike-client-nodejs