add query_RNA_RPKM and query (bam1,bam2,bam2fast,fetch12) has unique mapped option
fix rpkm to 1/NH
 make query_db output can be pipes ，bam2x query_db -i NM_028778 -D ~/Data/mm9.refGene.bed.db  | bam2x getseq -m cDNA -g ~/Data/genome/mm9.2bit
add bam2x tabix ( now can tabix bed and vcf file )
bam2x_v0.1.3