CHANGES IN VERSION 1.18.3

    o Fix the missing link in vignette.
    
CHANGES IN VERSION 1.18.2

    o Fix the grammar in vignette.
    
CHANGES IN VERSION 1.18.1

    o Update vignette.
    
CHANGES IN VERSION 1.17.8

    o fix the bug in figure captions of vignette.
    
CHANGES IN VERSION 1.17.7

    o allow ylim of tracks be not fixed from 0.
    
CHANGES IN VERSION 1.17.6

    o fix a issue of circle in lollipop plot.
    
CHANGES IN VERSION 1.17.4

    o add flag type in lollipop plot.
    
CHANGES IN VERSION 1.17.3

    o adjust plot position for dandelion.plot.
    
CHANGES IN VERSION 1.17.2

    o add Yscales for dandelion.plot.
    
CHANGES IN VERSION 1.17.1

    o add smooth function for tracks.
    
CHANGES IN VERSION 1.15.13

    o add feature.gr parameter to plotGInteractions.
    
CHANGES IN VERSION 1.15.12

    o add new function plotGInteractions.
    
CHANGES IN VERSION 1.15.11

    o update the title
    
CHANGES IN VERSION 1.15.10

    o Change all "class" function to "is" function.
    
CHANGES IN VERSION 1.15.9

    o Add lollipopData to tracks-class.
    
CHANGES IN VERSION 1.15.8

    o Plot lollipop plot with tracks.
    
CHANGES IN VERSION 1.15.7

    o Add new parameter rescale to lolliplot.
    
CHANGES IN VERSION 1.15.6

    o Add new function geneTrack.
    
CHANGES IN VERSION 1.15.5

    o fix the warning in windows documentation.
    
CHANGES IN VERSION 1.15.4

    o fix the warning in windows documentation.

CHANGES IN VERSION 1.15.3

    o fix the position of ylabs in plotOneIdeo.
    
CHANGES IN VERSION 1.15.2

    o fix the bug in addGuideLine and viewTracks when plot tracks with breaks.

CHANGES IN VERSION 1.15.1

    o fix the bug in dandelion.plot
    o use Roxygen2 to generate help documents
    o add new functions: getLocation, viewGene
    
CHANGES IN VERSION 1.13.11

    o fix the bug maxgap could not be less than 0 in findOverlaps

CHANGES IN VERSION 1.13.10

    o fix the bug documentation of ideogramPlot is different from the codes.

CHANGES IN VERSION 1.13.9

    o fix the bug when using findOverlaps, when 'type' is "any", 
    at least one of 'maxgap' and 'minoverlap' must be set to its
    default value


CHANGES IN VERSION 1.13.8

    o automatic set the font size in ideogramPlot
    
CHANGES IN VERSION 1.13.7

    o fix the bug in ideogramPlot when data range is identical for heatmap 
    layout.
    
CHANGES IN VERSION 1.13.6

    o add draggable tracks in browseTracks function

CHANGES IN VERSION 1.13.5

    o add arrow tools in browseTracks function
    
CHANGES IN VERSION 1.13.4

    o add label tools in browseTracks function

CHANGES IN VERSION 1.13.3

    o fix bugs in browseTracks function

CHANGES IN VERSION 1.13.2

    o add more columns to GRoperator function
    o add browseTracks function

CHANGES IN VERSION 1.11.8
-----------------------
    o support break x-axis for viewTracks.

CHANGES IN VERSION 1.11.7
-----------------------
    o improve the ideogramPlot function.
    
CHANGES IN VERSION 1.11.6
-----------------------
    o improve the ideogramPlot function.
    
CHANGES IN VERSION 1.11.5
-----------------------
    o add ideogramPlot function.
    
CHANGES IN VERSION 1.11.4
-----------------------
    o remove the blank bottom space for lolliplot.
    
CHANGES IN VERSION 1.11.3
-----------------------
    o fix a bug when tracks has multiple max values.
    
CHANGES IN VERSION 1.11.2
-----------------------
    o add jitter label only for lolliplot.
    
CHANGES IN VERSION 1.11.1
-----------------------
    o adjust the x postion of lolliplot.

CHANGES IN VERSION 1.9.14
-----------------------
    o add controls for lolliplot yaxis.
    
CHANGES IN VERSION 1.9.13
-----------------------
    o the height of features could be unit object.
    
CHANGES IN VERSION 1.9.12
-----------------------
    o Update the vignette.
    o Fix the position of ylab.
    
CHANGES IN VERSION 1.9.11
-----------------------
    o Add caterpillar layout to lolliplot.
    
CHANGES IN VERSION 1.9.10
-----------------------
    o Fix the bug that if the features is outside of granges for lolliplot.
    
CHANGES IN VERSION 1.9.9
-----------------------
    o Fix the bug that no xscale is drawn when there is no positive value for track 1.
    
CHANGES IN VERSION 1.9.8
-----------------------
    o lolliplot could accept multiple features for one layer.
    
CHANGES IN VERSION 1.9.7
-----------------------
    o lolliplot could accept multiple types for multiple layers.
    
CHANGES IN VERSION 1.9.6
-----------------------
    o fix the bugs for the lolliplot when the last snp need to be jittered.
    
CHANGES IN VERSION 1.9.5
-----------------------
    o fix the bugs in the documentation.
    
CHANGES IN VERSION 1.9.4
-----------------------
    o add pie.stack layout for lolliplot.
    
CHANGES IN VERSION 1.9.3
-----------------------
    o add controls for lolliplot labels.
    
CHANGES IN VERSION 1.9.2
-----------------------
    o update documentation to include the how to set ylim.

CHANGES IN VERSION 1.7.9
-----------------------
    o fix the bug that legend write to outside.
    
CHANGES IN VERSION 1.7.8
-----------------------
    o fix the typo in documentation.
    o update the lollipop plot.

CHANGES IN VERSION 1.7.7
-----------------------
    o add dandelion plot function.
    
CHANGES IN VERSION 1.7.6
-----------------------
    o add legend for lollipop plot.
    
CHANGES IN VERSION 1.7.5
-----------------------
    o add lables in the nodes of lollipop plot.
    
CHANGES IN VERSION 1.7.4
-----------------------
    o Update documentation.
    
CHANGES IN VERSION 1.7.3
-----------------------
    o add Y axis to lollipop plot.

CHANGES IN VERSION 1.7.2
-----------------------
    o add lollipop plot!

CHANGES IN VERSION 1.7.1
-----------------------
    o adjust the fontsize for optimizing styles with theme.
    o add gene symbols if possible for geneModelFromTxdb.
    
CHANGES IN VERSION 1.5.6
-----------------------
    o update documentation.
    o add new feature for optimizing the styles with theme.

CHANGES IN VERSION 1.5.5
-----------------------

NEW FEATURES

    o remove interactiveViewer from the package.

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)

CHANGES IN VERSION 1.5.4
-----------------------

NEW FEATURES

    o parse2GRanges function to parse text into GRanges

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)

CHANGES IN VERSION 1.5.3
-----------------------

NEW FEATURES

    o export importData function to import data to RleList.

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)

CHANGES IN VERSION 1.5.2
-----------------------

NEW FEATURES

    o Add GRanges operators: +, -, *, /
    o export parseWIG function.

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)

CHANGES IN VERSION 1.3.4
-----------------------

NEW FEATURES

    o No changes classified as 'new features' (package under active
    development)

BUG FIXES

    o improve efficiency of importScore

CHANGES IN VERSION 1.3.3
-----------------------

NEW FEATURES

    o could flip the x-axis if needed

BUG FIXES

    o improve efficiency of interactiveViewer

CHANGES IN VERSION 1.3.2
-----------------------

NEW FEATURES

    o No changes classified as 'new features' (package under active
    development)

BUG FIXES

    o fix bugs in importScore when format=="BigWig"

CHANGES IN VERSION 1.3.1
-----------------------

NEW FEATURES

    o add new function plotGRanges for quick view GRanges data
    o add ranges when importScore

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)

CHANGES IN VERSION 1.1.1
-----------------------

NEW FEATURES

    o addArrowMark with label

BUG FIXES

    o No changes classified as 'bug fixes' (package under active
    development)
