Changes in version 1.19.1                        

  - add origin_label = "TSS" parameter to plotAvgProf (2018-12-12, Wed)
      - https://github.com/GuangchuangYu/ChIPseeker/issues/91

                       Changes in version 1.18.0                        

  - Bioconductor 3.8 release

                       Changes in version 1.17.2                        

  - add flip_minor_strand parameter in getTagMatrix (2018-08-10, Fri)
      - should set to FALSE if windows if not symetric

                       Changes in version 1.17.1                        

  - fixed issue of vennpie by adding pseudo-count +1 (2018-07-21, Sat)
      - https://www.biostars.org/p/326456/

                       Changes in version 1.15.4                        

  - If the required input is a named list and user input a list without
    name, set the name automatically and throw warning msg instead of
    error <2018-03-14, Wed>
      - https://support.bioconductor.org/p/106903/#106936
  - change plotAvgProf's default y label <2018-03-14, Wed>
      - https://github.com/GuangchuangYu/ChIPseeker/issues/76
  - plotAnnoBar now visualize barplot according to the order of input
    list (y-axis) (2018-02-27, Tue)
      - https://github.com/GuangchuangYu/ChIPseeker/issues/73
  - follow renaming of RangesList class -> IntegerRangesList in IRanges
    v2.13.12
      - https://github.com/GuangchuangYu/ChIPseeker/commit/b62d7922fb61e58620bbb685e4def4fb863c8e81

                       Changes in version 1.15.3                        

  - options to ignore '1st exon', '1st intron', 'downstream' and
    promoter subcategory when summarizing result and visualization
    (2018-01-09, Tue)
      - https://support.bioconductor.org/p/104676/#104689
  - throw msg of 'file not found and skip' when requested url is not
    available when downloading BED file from GEO (2017-12-28, Thu)
      - https://support.bioconductor.org/p/104491/#104507
  - bug fixed of getGene (2017-12-27, Wed)